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Finding the Fourth Proportional to 117,008.48, 161,471.24 and 63,293.44

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Solution

The fourth proportional to 117,008.48, 161,471.24 and 63,293.44 is: 87,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,008.48 : 161,471.24 = 63,293.44 : x
  2. Step 2: Convert to fraction form
    117,008.48/161,471.24 = 63,293.44/x
  3. Step 3: Cross multiply
    117,008.48x = 161,471.24 × 63,293.44
  4. Step 4: Simplify right side
    117,008.48x = 10,220,070,240.67
  5. Step 5: Solve for x
    x = 10,220,070,240.67/117,008.48
  6. Step 6: Final answer
    x = 87,344.70

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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.