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Finding the Fourth Proportional to 58,895.80, 88,310.12 and 40,198.47

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Solution

The fourth proportional to 58,895.80, 88,310.12 and 40,198.47 is: 60,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,895.80 : 88,310.12 = 40,198.47 : x
  2. Step 2: Convert to fraction form
    58,895.80/88,310.12 = 40,198.47/x
  3. Step 3: Cross multiply
    58,895.80x = 88,310.12 × 40,198.47
  4. Step 4: Simplify right side
    58,895.80x = 3,549,931,810.01
  5. Step 5: Solve for x
    x = 3,549,931,810.01/58,895.80
  6. Step 6: Final answer
    x = 60,274.79

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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.