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Finding the Fourth Proportional to 82,755.76, 114,202.14 and 45,029.92

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Solution

The fourth proportional to 82,755.76, 114,202.14 and 45,029.92 is: 62,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,755.76 : 114,202.14 = 45,029.92 : x
  2. Step 2: Convert to fraction form
    82,755.76/114,202.14 = 45,029.92/x
  3. Step 3: Cross multiply
    82,755.76x = 114,202.14 × 45,029.92
  4. Step 4: Simplify right side
    82,755.76x = 5,142,513,228.03
  5. Step 5: Solve for x
    x = 5,142,513,228.03/82,755.76
  6. Step 6: Final answer
    x = 62,140.85

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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.