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Finding the Fourth Proportional to 355,363.98, 532,967.46 and 102,589.56

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Solution

The fourth proportional to 355,363.98, 532,967.46 and 102,589.56 is: 153,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,363.98 : 532,967.46 = 102,589.56 : x
  2. Step 2: Convert to fraction form
    355,363.98/532,967.46 = 102,589.56/x
  3. Step 3: Cross multiply
    355,363.98x = 532,967.46 × 102,589.56
  4. Step 4: Simplify right side
    355,363.98x = 54,676,897,215.72
  5. Step 5: Solve for x
    x = 54,676,897,215.72/355,363.98
  6. Step 6: Final answer
    x = 153,861.68

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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.