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Finding the Fourth Proportional to 656,925.92, 985,388.88 and 158,289.92

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Solution

The fourth proportional to 656,925.92, 985,388.88 and 158,289.92 is: 237,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,925.92 : 985,388.88 = 158,289.92 : x
  2. Step 2: Convert to fraction form
    656,925.92/985,388.88 = 158,289.92/x
  3. Step 3: Cross multiply
    656,925.92x = 985,388.88 × 158,289.92
  4. Step 4: Simplify right side
    656,925.92x = 155,977,126,984.09
  5. Step 5: Solve for x
    x = 155,977,126,984.09/656,925.92
  6. Step 6: Final answer
    x = 237,434.88

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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.