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Finding the Fourth Proportional to 88,515, 132,727.32 and 29,329.56

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Solution

The fourth proportional to 88,515, 132,727.32 and 29,329.56 is: 43,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,515 : 132,727.32 = 29,329.56 : x
  2. Step 2: Convert to fraction form
    88,515/132,727.32 = 29,329.56/x
  3. Step 3: Cross multiply
    88,515x = 132,727.32 × 29,329.56
  4. Step 4: Simplify right side
    88,515x = 3,892,833,895.58
  5. Step 5: Solve for x
    x = 3,892,833,895.58/88,515
  6. Step 6: Final answer
    x = 43,979.37

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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.