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Finding the Fourth Proportional to 88,387.75, 132,528.75 and 59,959.64

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Solution

The fourth proportional to 88,387.75, 132,528.75 and 59,959.64 is: 89,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,387.75 : 132,528.75 = 59,959.64 : x
  2. Step 2: Convert to fraction form
    88,387.75/132,528.75 = 59,959.64/x
  3. Step 3: Cross multiply
    88,387.75x = 132,528.75 × 59,959.64
  4. Step 4: Simplify right side
    88,387.75x = 7,946,376,139.65
  5. Step 5: Solve for x
    x = 7,946,376,139.65/88,387.75
  6. Step 6: Final answer
    x = 89,903.59

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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.