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Finding the Fourth Proportional to 132,355.72, 182,693.46 and 84,737.32

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Solution

The fourth proportional to 132,355.72, 182,693.46 and 84,737.32 is: 116,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,355.72 : 182,693.46 = 84,737.32 : x
  2. Step 2: Convert to fraction form
    132,355.72/182,693.46 = 84,737.32/x
  3. Step 3: Cross multiply
    132,355.72x = 182,693.46 × 84,737.32
  4. Step 4: Simplify right side
    132,355.72x = 15,480,954,181.93
  5. Step 5: Solve for x
    x = 15,480,954,181.93/132,355.72
  6. Step 6: Final answer
    x = 116,964.75

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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.