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Finding the Fourth Proportional to 73,429.44, 101,332.80 and 39,895.68

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Solution

The fourth proportional to 73,429.44, 101,332.80 and 39,895.68 is: 55,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,429.44 : 101,332.80 = 39,895.68 : x
  2. Step 2: Convert to fraction form
    73,429.44/101,332.80 = 39,895.68/x
  3. Step 3: Cross multiply
    73,429.44x = 101,332.80 × 39,895.68
  4. Step 4: Simplify right side
    73,429.44x = 4,042,740,962.30
  5. Step 5: Solve for x
    x = 4,042,740,962.30/73,429.44
  6. Step 6: Final answer
    x = 55,056.13

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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.