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Finding the Fourth Proportional to 97,779.62, 134,924.71 and 54,753.13

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Solution

The fourth proportional to 97,779.62, 134,924.71 and 54,753.13 is: 75,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,779.62 : 134,924.71 = 54,753.13 : x
  2. Step 2: Convert to fraction form
    97,779.62/134,924.71 = 54,753.13/x
  3. Step 3: Cross multiply
    97,779.62x = 134,924.71 × 54,753.13
  4. Step 4: Simplify right side
    97,779.62x = 7,387,549,849.53
  5. Step 5: Solve for x
    x = 7,387,549,849.53/97,779.62
  6. Step 6: Final answer
    x = 75,553.06

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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.