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Finding the Fourth Proportional to 173,278.56, 239,100.80 and 96,787.92

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Solution

The fourth proportional to 173,278.56, 239,100.80 and 96,787.92 is: 133,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,278.56 : 239,100.80 = 96,787.92 : x
  2. Step 2: Convert to fraction form
    173,278.56/239,100.80 = 96,787.92/x
  3. Step 3: Cross multiply
    173,278.56x = 239,100.80 × 96,787.92
  4. Step 4: Simplify right side
    173,278.56x = 23,142,068,618.40
  5. Step 5: Solve for x
    x = 23,142,068,618.40/173,278.56
  6. Step 6: Final answer
    x = 133,554.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.