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Finding the Fourth Proportional to 83,064.60, 114,629.15 and 45,338.85

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Solution

The fourth proportional to 83,064.60, 114,629.15 and 45,338.85 is: 62,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,064.60 : 114,629.15 = 45,338.85 : x
  2. Step 2: Convert to fraction form
    83,064.60/114,629.15 = 45,338.85/x
  3. Step 3: Cross multiply
    83,064.60x = 114,629.15 × 45,338.85
  4. Step 4: Simplify right side
    83,064.60x = 5,197,153,837.48
  5. Step 5: Solve for x
    x = 5,197,153,837.48/83,064.60
  6. Step 6: Final answer
    x = 62,567.61

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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.