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Finding the Fourth Proportional to 58,871.80, 88,250.10 and 30,806.20

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Solution

The fourth proportional to 58,871.80, 88,250.10 and 30,806.20 is: 46,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,871.80 : 88,250.10 = 30,806.20 : x
  2. Step 2: Convert to fraction form
    58,871.80/88,250.10 = 30,806.20/x
  3. Step 3: Cross multiply
    58,871.80x = 88,250.10 × 30,806.20
  4. Step 4: Simplify right side
    58,871.80x = 2,718,650,230.62
  5. Step 5: Solve for x
    x = 2,718,650,230.62/58,871.80
  6. Step 6: Final answer
    x = 46,179.16

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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.