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Finding the Fourth Proportional to 235,124.52, 352,768.70 and 87,422.76

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Solution

The fourth proportional to 235,124.52, 352,768.70 and 87,422.76 is: 131,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,124.52 : 352,768.70 = 87,422.76 : x
  2. Step 2: Convert to fraction form
    235,124.52/352,768.70 = 87,422.76/x
  3. Step 3: Cross multiply
    235,124.52x = 352,768.70 × 87,422.76
  4. Step 4: Simplify right side
    235,124.52x = 30,840,013,395.61
  5. Step 5: Solve for x
    x = 30,840,013,395.61/235,124.52
  6. Step 6: Final answer
    x = 131,164.60

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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.