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Finding the Fourth Proportional to 235,439.60, 353,159.40 and 151,458.80

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Solution

The fourth proportional to 235,439.60, 353,159.40 and 151,458.80 is: 227,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,439.60 : 353,159.40 = 151,458.80 : x
  2. Step 2: Convert to fraction form
    235,439.60/353,159.40 = 151,458.80/x
  3. Step 3: Cross multiply
    235,439.60x = 353,159.40 × 151,458.80
  4. Step 4: Simplify right side
    235,439.60x = 53,489,098,932.72
  5. Step 5: Solve for x
    x = 53,489,098,932.72/235,439.60
  6. Step 6: Final answer
    x = 227,188.20

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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.