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Finding the Fourth Proportional to 82,777.98, 114,126.87 and 60,149.82

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Solution

The fourth proportional to 82,777.98, 114,126.87 and 60,149.82 is: 82,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,777.98 : 114,126.87 = 60,149.82 : x
  2. Step 2: Convert to fraction form
    82,777.98/114,126.87 = 60,149.82/x
  3. Step 3: Cross multiply
    82,777.98x = 114,126.87 × 60,149.82
  4. Step 4: Simplify right side
    82,777.98x = 6,864,710,687.66
  5. Step 5: Solve for x
    x = 6,864,710,687.66/82,777.98
  6. Step 6: Final answer
    x = 82,929.19

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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.