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Finding the Fourth Proportional to 542,038.04, 813,049.68 and 168,061.04

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Solution

The fourth proportional to 542,038.04, 813,049.68 and 168,061.04 is: 252,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,038.04 : 813,049.68 = 168,061.04 : x
  2. Step 2: Convert to fraction form
    542,038.04/813,049.68 = 168,061.04/x
  3. Step 3: Cross multiply
    542,038.04x = 813,049.68 × 168,061.04
  4. Step 4: Simplify right side
    542,038.04x = 136,641,974,792.47
  5. Step 5: Solve for x
    x = 136,641,974,792.47/542,038.04
  6. Step 6: Final answer
    x = 252,089.27

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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.