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Finding the Fourth Proportional to 82,239, 113,489.88 and 44,513.28

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Solution

The fourth proportional to 82,239, 113,489.88 and 44,513.28 is: 61,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,239 : 113,489.88 = 44,513.28 : x
  2. Step 2: Convert to fraction form
    82,239/113,489.88 = 44,513.28/x
  3. Step 3: Cross multiply
    82,239x = 113,489.88 × 44,513.28
  4. Step 4: Simplify right side
    82,239x = 5,051,806,805.61
  5. Step 5: Solve for x
    x = 5,051,806,805.61/82,239
  6. Step 6: Final answer
    x = 61,428.36

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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.