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Finding the Fourth Proportional to 88,387.75, 132,585.74 and 25,212.21

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Solution

The fourth proportional to 88,387.75, 132,585.74 and 25,212.21 is: 37,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,387.75 : 132,585.74 = 25,212.21 : x
  2. Step 2: Convert to fraction form
    88,387.75/132,585.74 = 25,212.21/x
  3. Step 3: Cross multiply
    88,387.75x = 132,585.74 × 25,212.21
  4. Step 4: Simplify right side
    88,387.75x = 3,342,779,519.89
  5. Step 5: Solve for x
    x = 3,342,779,519.89/88,387.75
  6. Step 6: Final answer
    x = 37,819.49

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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.