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Finding the Fourth Proportional to 67,416.78, 101,125.17 and 63,261.48

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Solution

The fourth proportional to 67,416.78, 101,125.17 and 63,261.48 is: 94,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,416.78 : 101,125.17 = 63,261.48 : x
  2. Step 2: Convert to fraction form
    67,416.78/101,125.17 = 63,261.48/x
  3. Step 3: Cross multiply
    67,416.78x = 101,125.17 × 63,261.48
  4. Step 4: Simplify right side
    67,416.78x = 6,397,327,919.45
  5. Step 5: Solve for x
    x = 6,397,327,919.45/67,416.78
  6. Step 6: Final answer
    x = 94,892.22

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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.