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Finding the Fourth Proportional to 132,833.32, 199,475.74 and 88,743.40

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Solution

The fourth proportional to 132,833.32, 199,475.74 and 88,743.40 is: 133,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,833.32 : 199,475.74 = 88,743.40 : x
  2. Step 2: Convert to fraction form
    132,833.32/199,475.74 = 88,743.40/x
  3. Step 3: Cross multiply
    132,833.32x = 199,475.74 × 88,743.40
  4. Step 4: Simplify right side
    132,833.32x = 17,702,155,385.12
  5. Step 5: Solve for x
    x = 17,702,155,385.12/132,833.32
  6. Step 6: Final answer
    x = 133,265.93

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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.