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Finding the Fourth Proportional to 75,041.30, 112,582.43 and 25,129.62

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Solution

The fourth proportional to 75,041.30, 112,582.43 and 25,129.62 is: 37,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,041.30 : 112,582.43 = 25,129.62 : x
  2. Step 2: Convert to fraction form
    75,041.30/112,582.43 = 25,129.62/x
  3. Step 3: Cross multiply
    75,041.30x = 112,582.43 × 25,129.62
  4. Step 4: Simplify right side
    75,041.30x = 2,829,153,684.58
  5. Step 5: Solve for x
    x = 2,829,153,684.58/75,041.30
  6. Step 6: Final answer
    x = 37,701.29

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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.