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Finding the Fourth Proportional to 207,352.60, 310,951.14 and 88,963

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Solution

The fourth proportional to 207,352.60, 310,951.14 and 88,963 is: 133,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,352.60 : 310,951.14 = 88,963 : x
  2. Step 2: Convert to fraction form
    207,352.60/310,951.14 = 88,963/x
  3. Step 3: Cross multiply
    207,352.60x = 310,951.14 × 88,963
  4. Step 4: Simplify right side
    207,352.60x = 27,663,146,267.82
  5. Step 5: Solve for x
    x = 27,663,146,267.82/207,352.60
  6. Step 6: Final answer
    x = 133,411.14

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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.