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Finding the Fourth Proportional to 152,881.60, 229,541.10 and 108,704.20

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Solution

The fourth proportional to 152,881.60, 229,541.10 and 108,704.20 is: 163,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,881.60 : 229,541.10 = 108,704.20 : x
  2. Step 2: Convert to fraction form
    152,881.60/229,541.10 = 108,704.20/x
  3. Step 3: Cross multiply
    152,881.60x = 229,541.10 × 108,704.20
  4. Step 4: Simplify right side
    152,881.60x = 24,952,081,642.62
  5. Step 5: Solve for x
    x = 24,952,081,642.62/152,881.60
  6. Step 6: Final answer
    x = 163,211.80

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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.