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Finding the Fourth Proportional to 354,340.56, 531,512.85 and 88,101.11

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Solution

The fourth proportional to 354,340.56, 531,512.85 and 88,101.11 is: 132,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,340.56 : 531,512.85 = 88,101.11 : x
  2. Step 2: Convert to fraction form
    354,340.56/531,512.85 = 88,101.11/x
  3. Step 3: Cross multiply
    354,340.56x = 531,512.85 × 88,101.11
  4. Step 4: Simplify right side
    354,340.56x = 46,826,869,990.31
  5. Step 5: Solve for x
    x = 46,826,869,990.31/354,340.56
  6. Step 6: Final answer
    x = 132,152.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.