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Finding the Fourth Proportional to 58,896.80, 88,311.62 and 40,199.47

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Solution

The fourth proportional to 58,896.80, 88,311.62 and 40,199.47 is: 60,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,896.80 : 88,311.62 = 40,199.47 : x
  2. Step 2: Convert to fraction form
    58,896.80/88,311.62 = 40,199.47/x
  3. Step 3: Cross multiply
    58,896.80x = 88,311.62 × 40,199.47
  4. Step 4: Simplify right side
    58,896.80x = 3,550,080,318.84
  5. Step 5: Solve for x
    x = 3,550,080,318.84/58,896.80
  6. Step 6: Final answer
    x = 60,276.29

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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.