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Finding the Fourth Proportional to 88,805.80, 133,274.40 and 42,058.76

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Solution

The fourth proportional to 88,805.80, 133,274.40 and 42,058.76 is: 63,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,805.80 : 133,274.40 = 42,058.76 : x
  2. Step 2: Convert to fraction form
    88,805.80/133,274.40 = 42,058.76/x
  3. Step 3: Cross multiply
    88,805.80x = 133,274.40 × 42,058.76
  4. Step 4: Simplify right side
    88,805.80x = 5,605,356,003.74
  5. Step 5: Solve for x
    x = 5,605,356,003.74/88,805.80
  6. Step 6: Final answer
    x = 63,119.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.