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Finding the Fourth Proportional to 132,397.62, 182,664 and 75,030.90

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Solution

The fourth proportional to 132,397.62, 182,664 and 75,030.90 is: 103,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,397.62 : 182,664 = 75,030.90 : x
  2. Step 2: Convert to fraction form
    132,397.62/182,664 = 75,030.90/x
  3. Step 3: Cross multiply
    132,397.62x = 182,664 × 75,030.90
  4. Step 4: Simplify right side
    132,397.62x = 13,705,444,317.60
  5. Step 5: Solve for x
    x = 13,705,444,317.60/132,397.62
  6. Step 6: Final answer
    x = 103,517.30

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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.