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Finding the Fourth Proportional to 86,274.60, 119,058.90 and 48,548.88

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Solution

The fourth proportional to 86,274.60, 119,058.90 and 48,548.88 is: 66,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,274.60 : 119,058.90 = 48,548.88 : x
  2. Step 2: Convert to fraction form
    86,274.60/119,058.90 = 48,548.88/x
  3. Step 3: Cross multiply
    86,274.60x = 119,058.90 × 48,548.88
  4. Step 4: Simplify right side
    86,274.60x = 5,780,176,249.03
  5. Step 5: Solve for x
    x = 5,780,176,249.03/86,274.60
  6. Step 6: Final answer
    x = 66,997.43

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.