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Finding the Fourth Proportional to 174,258.52, 261,037.78 and 147,489.72

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Solution

The fourth proportional to 174,258.52, 261,037.78 and 147,489.72 is: 220,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,258.52 : 261,037.78 = 147,489.72 : x
  2. Step 2: Convert to fraction form
    174,258.52/261,037.78 = 147,489.72/x
  3. Step 3: Cross multiply
    174,258.52x = 261,037.78 × 147,489.72
  4. Step 4: Simplify right side
    174,258.52x = 38,500,389,081.62
  5. Step 5: Solve for x
    x = 38,500,389,081.62/174,258.52
  6. Step 6: Final answer
    x = 220,938.35

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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.