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Finding the Fourth Proportional to 73,225.81, 101,050.90 and 39,691.81

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Solution

The fourth proportional to 73,225.81, 101,050.90 and 39,691.81 is: 54,774.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,225.81 : 101,050.90 = 39,691.81 : x
  2. Step 2: Convert to fraction form
    73,225.81/101,050.90 = 39,691.81/x
  3. Step 3: Cross multiply
    73,225.81x = 101,050.90 × 39,691.81
  4. Step 4: Simplify right side
    73,225.81x = 4,010,893,123.13
  5. Step 5: Solve for x
    x = 4,010,893,123.13/73,225.81
  6. Step 6: Final answer
    x = 54,774.31

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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.