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Finding the Fourth Proportional to 154,668.60, 232,002.72 and 42,349.68

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Solution

The fourth proportional to 154,668.60, 232,002.72 and 42,349.68 is: 63,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,668.60 : 232,002.72 = 42,349.68 : x
  2. Step 2: Convert to fraction form
    154,668.60/232,002.72 = 42,349.68/x
  3. Step 3: Cross multiply
    154,668.60x = 232,002.72 × 42,349.68
  4. Step 4: Simplify right side
    154,668.60x = 9,825,240,951.13
  5. Step 5: Solve for x
    x = 9,825,240,951.13/154,668.60
  6. Step 6: Final answer
    x = 63,524.47

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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.