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Finding the Fourth Proportional to 132,390.67, 182,787.10 and 101,709.12

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Solution

The fourth proportional to 132,390.67, 182,787.10 and 101,709.12 is: 140,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,390.67 : 182,787.10 = 101,709.12 : x
  2. Step 2: Convert to fraction form
    132,390.67/182,787.10 = 101,709.12/x
  3. Step 3: Cross multiply
    132,390.67x = 182,787.10 × 101,709.12
  4. Step 4: Simplify right side
    132,390.67x = 18,591,115,088.35
  5. Step 5: Solve for x
    x = 18,591,115,088.35/132,390.67
  6. Step 6: Final answer
    x = 140,426.17

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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.