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Finding the Fourth Proportional to 82,752.87, 114,200.10 and 45,027.12

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Solution

The fourth proportional to 82,752.87, 114,200.10 and 45,027.12 is: 62,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,752.87 : 114,200.10 = 45,027.12 : x
  2. Step 2: Convert to fraction form
    82,752.87/114,200.10 = 45,027.12/x
  3. Step 3: Cross multiply
    82,752.87x = 114,200.10 × 45,027.12
  4. Step 4: Simplify right side
    82,752.87x = 5,142,101,606.71
  5. Step 5: Solve for x
    x = 5,142,101,606.71/82,752.87
  6. Step 6: Final answer
    x = 62,138.05

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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.