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Finding the Fourth Proportional to 101,803.04, 140,488.24 and 62,059.04

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Solution

The fourth proportional to 101,803.04, 140,488.24 and 62,059.04 is: 85,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,803.04 : 140,488.24 = 62,059.04 : x
  2. Step 2: Convert to fraction form
    101,803.04/140,488.24 = 62,059.04/x
  3. Step 3: Cross multiply
    101,803.04x = 140,488.24 × 62,059.04
  4. Step 4: Simplify right side
    101,803.04x = 8,718,565,305.69
  5. Step 5: Solve for x
    x = 8,718,565,305.69/101,803.04
  6. Step 6: Final answer
    x = 85,641.50

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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.