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Finding the Fourth Proportional to 71,154.54, 98,227.56 and 45,698.89

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Solution

The fourth proportional to 71,154.54, 98,227.56 and 45,698.89 is: 63,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,154.54 : 98,227.56 = 45,698.89 : x
  2. Step 2: Convert to fraction form
    71,154.54/98,227.56 = 45,698.89/x
  3. Step 3: Cross multiply
    71,154.54x = 98,227.56 × 45,698.89
  4. Step 4: Simplify right side
    71,154.54x = 4,488,890,459.41
  5. Step 5: Solve for x
    x = 4,488,890,459.41/71,154.54
  6. Step 6: Final answer
    x = 63,086.49

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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.