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Finding the Fourth Proportional to 354,954.69, 532,433.52 and 88,715.57

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Solution

The fourth proportional to 354,954.69, 532,433.52 and 88,715.57 is: 133,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,954.69 : 532,433.52 = 88,715.57 : x
  2. Step 2: Convert to fraction form
    354,954.69/532,433.52 = 88,715.57/x
  3. Step 3: Cross multiply
    354,954.69x = 532,433.52 × 88,715.57
  4. Step 4: Simplify right side
    354,954.69x = 47,235,140,551.74
  5. Step 5: Solve for x
    x = 47,235,140,551.74/354,954.69
  6. Step 6: Final answer
    x = 133,073.72

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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.