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Finding the Fourth Proportional to 83,005.44, 114,655.55 and 67,149.69

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Solution

The fourth proportional to 83,005.44, 114,655.55 and 67,149.69 is: 92,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,005.44 : 114,655.55 = 67,149.69 : x
  2. Step 2: Convert to fraction form
    83,005.44/114,655.55 = 67,149.69/x
  3. Step 3: Cross multiply
    83,005.44x = 114,655.55 × 67,149.69
  4. Step 4: Simplify right side
    83,005.44x = 7,699,084,303.53
  5. Step 5: Solve for x
    x = 7,699,084,303.53/83,005.44
  6. Step 6: Final answer
    x = 92,753.97

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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.