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Finding the Fourth Proportional to 150,432.96, 207,597.60 and 83,364.96

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Solution

The fourth proportional to 150,432.96, 207,597.60 and 83,364.96 is: 115,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,432.96 : 207,597.60 = 83,364.96 : x
  2. Step 2: Convert to fraction form
    150,432.96/207,597.60 = 83,364.96/x
  3. Step 3: Cross multiply
    150,432.96x = 207,597.60 × 83,364.96
  4. Step 4: Simplify right side
    150,432.96x = 17,306,365,620.10
  5. Step 5: Solve for x
    x = 17,306,365,620.10/150,432.96
  6. Step 6: Final answer
    x = 115,043.71

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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.