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Finding the Fourth Proportional to 356,061.52, 533,920.02 and 131,527.72

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Solution

The fourth proportional to 356,061.52, 533,920.02 and 131,527.72 is: 197,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,061.52 : 533,920.02 = 131,527.72 : x
  2. Step 2: Convert to fraction form
    356,061.52/533,920.02 = 131,527.72/x
  3. Step 3: Cross multiply
    356,061.52x = 533,920.02 × 131,527.72
  4. Step 4: Simplify right side
    356,061.52x = 70,225,282,892.95
  5. Step 5: Solve for x
    x = 70,225,282,892.95/356,061.52
  6. Step 6: Final answer
    x = 197,227.95

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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.