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Finding the Fourth Proportional to 113,889.25, 157,176.89 and 63,597.97

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Solution

The fourth proportional to 113,889.25, 157,176.89 and 63,597.97 is: 87,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,889.25 : 157,176.89 = 63,597.97 : x
  2. Step 2: Convert to fraction form
    113,889.25/157,176.89 = 63,597.97/x
  3. Step 3: Cross multiply
    113,889.25x = 157,176.89 × 63,597.97
  4. Step 4: Simplify right side
    113,889.25x = 9,996,131,134.91
  5. Step 5: Solve for x
    x = 9,996,131,134.91/113,889.25
  6. Step 6: Final answer
    x = 87,770.63

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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.