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Finding the Fourth Proportional to 229,792.72, 344,689.26 and 72,033.46

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Solution

The fourth proportional to 229,792.72, 344,689.26 and 72,033.46 is: 108,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,792.72 : 344,689.26 = 72,033.46 : x
  2. Step 2: Convert to fraction form
    229,792.72/344,689.26 = 72,033.46/x
  3. Step 3: Cross multiply
    229,792.72x = 344,689.26 × 72,033.46
  4. Step 4: Simplify right side
    229,792.72x = 24,829,160,022.64
  5. Step 5: Solve for x
    x = 24,829,160,022.64/229,792.72
  6. Step 6: Final answer
    x = 108,050.25

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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.