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Finding the Fourth Proportional to 132,596.60, 183,002.59 and 74,459.86

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Solution

The fourth proportional to 132,596.60, 183,002.59 and 74,459.86 is: 102,765.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,596.60 : 183,002.59 = 74,459.86 : x
  2. Step 2: Convert to fraction form
    132,596.60/183,002.59 = 74,459.86/x
  3. Step 3: Cross multiply
    132,596.60x = 183,002.59 × 74,459.86
  4. Step 4: Simplify right side
    132,596.60x = 13,626,346,866.61
  5. Step 5: Solve for x
    x = 13,626,346,866.61/132,596.60
  6. Step 6: Final answer
    x = 102,765.44

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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.