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Finding the Fourth Proportional to 354,814.20, 532,306.35 and 118,158.93

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Solution

The fourth proportional to 354,814.20, 532,306.35 and 118,158.93 is: 177,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,814.20 : 532,306.35 = 118,158.93 : x
  2. Step 2: Convert to fraction form
    354,814.20/532,306.35 = 118,158.93/x
  3. Step 3: Cross multiply
    354,814.20x = 532,306.35 × 118,158.93
  4. Step 4: Simplify right side
    354,814.20x = 62,896,748,748.21
  5. Step 5: Solve for x
    x = 62,896,748,748.21/354,814.20
  6. Step 6: Final answer
    x = 177,266.72

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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.