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Finding the Fourth Proportional to 132,029, 182,209.62 and 75,439.16

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Solution

The fourth proportional to 132,029, 182,209.62 and 75,439.16 is: 104,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,029 : 182,209.62 = 75,439.16 : x
  2. Step 2: Convert to fraction form
    132,029/182,209.62 = 75,439.16/x
  3. Step 3: Cross multiply
    132,029x = 182,209.62 × 75,439.16
  4. Step 4: Simplify right side
    132,029x = 13,745,740,676.72
  5. Step 5: Solve for x
    x = 13,745,740,676.72/132,029
  6. Step 6: Final answer
    x = 104,111.53

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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.