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Finding the Fourth Proportional to 229,761.94, 344,643.09 and 72,002.68

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Solution

The fourth proportional to 229,761.94, 344,643.09 and 72,002.68 is: 108,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,761.94 : 344,643.09 = 72,002.68 : x
  2. Step 2: Convert to fraction form
    229,761.94/344,643.09 = 72,002.68/x
  3. Step 3: Cross multiply
    229,761.94x = 344,643.09 × 72,002.68
  4. Step 4: Simplify right side
    229,761.94x = 24,815,226,123.48
  5. Step 5: Solve for x
    x = 24,815,226,123.48/229,761.94
  6. Step 6: Final answer
    x = 108,004.08

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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.