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Finding the Fourth Proportional to 71,803.77, 99,098.47 and 41,188.80

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Solution

The fourth proportional to 71,803.77, 99,098.47 and 41,188.80 is: 56,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,803.77 : 99,098.47 = 41,188.80 : x
  2. Step 2: Convert to fraction form
    71,803.77/99,098.47 = 41,188.80/x
  3. Step 3: Cross multiply
    71,803.77x = 99,098.47 × 41,188.80
  4. Step 4: Simplify right side
    71,803.77x = 4,081,747,484.24
  5. Step 5: Solve for x
    x = 4,081,747,484.24/71,803.77
  6. Step 6: Final answer
    x = 56,845.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.