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Finding the Fourth Proportional to 243,193.59, 335,510.71 and 162,493.29

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Solution

The fourth proportional to 243,193.59, 335,510.71 and 162,493.29 is: 224,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,193.59 : 335,510.71 = 162,493.29 : x
  2. Step 2: Convert to fraction form
    243,193.59/335,510.71 = 162,493.29/x
  3. Step 3: Cross multiply
    243,193.59x = 335,510.71 × 162,493.29
  4. Step 4: Simplify right side
    243,193.59x = 54,518,238,691.90
  5. Step 5: Solve for x
    x = 54,518,238,691.90/243,193.59
  6. Step 6: Final answer
    x = 224,176.30

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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.