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Finding the Fourth Proportional to 83,079.67, 114,649.91 and 45,353.92

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Solution

The fourth proportional to 83,079.67, 114,649.91 and 45,353.92 is: 62,588.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,079.67 : 114,649.91 = 45,353.92 : x
  2. Step 2: Convert to fraction form
    83,079.67/114,649.91 = 45,353.92/x
  3. Step 3: Cross multiply
    83,079.67x = 114,649.91 × 45,353.92
  4. Step 4: Simplify right side
    83,079.67x = 5,199,822,846.15
  5. Step 5: Solve for x
    x = 5,199,822,846.15/83,079.67
  6. Step 6: Final answer
    x = 62,588.39

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