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Finding the Fourth Proportional to 88,563.40, 132,752.82 and 38,630.08

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Solution

The fourth proportional to 88,563.40, 132,752.82 and 38,630.08 is: 57,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,563.40 : 132,752.82 = 38,630.08 : x
  2. Step 2: Convert to fraction form
    88,563.40/132,752.82 = 38,630.08/x
  3. Step 3: Cross multiply
    88,563.40x = 132,752.82 × 38,630.08
  4. Step 4: Simplify right side
    88,563.40x = 5,128,252,056.83
  5. Step 5: Solve for x
    x = 5,128,252,056.83/88,563.40
  6. Step 6: Final answer
    x = 57,904.87

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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.