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Finding the Fourth Proportional to 82,944.48, 114,459.84 and 45,218.88

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Solution

The fourth proportional to 82,944.48, 114,459.84 and 45,218.88 is: 62,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944.48 : 114,459.84 = 45,218.88 : x
  2. Step 2: Convert to fraction form
    82,944.48/114,459.84 = 45,218.88/x
  3. Step 3: Cross multiply
    82,944.48x = 114,459.84 × 45,218.88
  4. Step 4: Simplify right side
    82,944.48x = 5,175,745,769.78
  5. Step 5: Solve for x
    x = 5,175,745,769.78/82,944.48
  6. Step 6: Final answer
    x = 62,400.12

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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.