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Finding the Fourth Proportional to 71,366.44, 98,265.84 and 63,394.84

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Solution

The fourth proportional to 71,366.44, 98,265.84 and 63,394.84 is: 87,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.44 : 98,265.84 = 63,394.84 : x
  2. Step 2: Convert to fraction form
    71,366.44/98,265.84 = 63,394.84/x
  3. Step 3: Cross multiply
    71,366.44x = 98,265.84 × 63,394.84
  4. Step 4: Simplify right side
    71,366.44x = 6,229,547,204.27
  5. Step 5: Solve for x
    x = 6,229,547,204.27/71,366.44
  6. Step 6: Final answer
    x = 87,289.59

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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.