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Finding the Fourth Proportional to 88,582.80, 132,879.60 and 29,423.64

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Solution

The fourth proportional to 88,582.80, 132,879.60 and 29,423.64 is: 44,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,582.80 : 132,879.60 = 29,423.64 : x
  2. Step 2: Convert to fraction form
    88,582.80/132,879.60 = 29,423.64/x
  3. Step 3: Cross multiply
    88,582.80x = 132,879.60 × 29,423.64
  4. Step 4: Simplify right side
    88,582.80x = 3,909,801,513.74
  5. Step 5: Solve for x
    x = 3,909,801,513.74/88,582.80
  6. Step 6: Final answer
    x = 44,137.25

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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.