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Finding the Fourth Proportional to 83,651.53, 114,798.77 and 83,061.04

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Solution

The fourth proportional to 83,651.53, 114,798.77 and 83,061.04 is: 113,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,651.53 : 114,798.77 = 83,061.04 : x
  2. Step 2: Convert to fraction form
    83,651.53/114,798.77 = 83,061.04/x
  3. Step 3: Cross multiply
    83,651.53x = 114,798.77 × 83,061.04
  4. Step 4: Simplify right side
    83,651.53x = 9,535,305,226.92
  5. Step 5: Solve for x
    x = 9,535,305,226.92/83,651.53
  6. Step 6: Final answer
    x = 113,988.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.