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Finding the Fourth Proportional to 117,787.38, 176,737.76 and 58,628.22

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Solution

The fourth proportional to 117,787.38, 176,737.76 and 58,628.22 is: 87,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,787.38 : 176,737.76 = 58,628.22 : x
  2. Step 2: Convert to fraction form
    117,787.38/176,737.76 = 58,628.22/x
  3. Step 3: Cross multiply
    117,787.38x = 176,737.76 × 58,628.22
  4. Step 4: Simplify right side
    117,787.38x = 10,361,820,275.59
  5. Step 5: Solve for x
    x = 10,361,820,275.59/117,787.38
  6. Step 6: Final answer
    x = 87,970.55

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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.