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Finding the Fourth Proportional to 88,718.45, 132,966.94 and 44,357.90

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Solution

The fourth proportional to 88,718.45, 132,966.94 and 44,357.90 is: 66,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718.45 : 132,966.94 = 44,357.90 : x
  2. Step 2: Convert to fraction form
    88,718.45/132,966.94 = 44,357.90/x
  3. Step 3: Cross multiply
    88,718.45x = 132,966.94 × 44,357.90
  4. Step 4: Simplify right side
    88,718.45x = 5,898,133,452.10
  5. Step 5: Solve for x
    x = 5,898,133,452.10/88,718.45
  6. Step 6: Final answer
    x = 66,481.47

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1.5x scale

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.