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Finding the Fourth Proportional to 132,597.60, 183,003.97 and 74,460.86

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Solution

The fourth proportional to 132,597.60, 183,003.97 and 74,460.86 is: 102,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,597.60 : 183,003.97 = 74,460.86 : x
  2. Step 2: Convert to fraction form
    132,597.60/183,003.97 = 74,460.86/x
  3. Step 3: Cross multiply
    132,597.60x = 183,003.97 × 74,460.86
  4. Step 4: Simplify right side
    132,597.60x = 13,626,632,989.61
  5. Step 5: Solve for x
    x = 13,626,632,989.61/132,597.60
  6. Step 6: Final answer
    x = 102,766.81

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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.