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Finding the Fourth Proportional to 117,358.44, 161,950.14 and 63,642.48

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Solution

The fourth proportional to 117,358.44, 161,950.14 and 63,642.48 is: 87,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,358.44 : 161,950.14 = 63,642.48 : x
  2. Step 2: Convert to fraction form
    117,358.44/161,950.14 = 63,642.48/x
  3. Step 3: Cross multiply
    117,358.44x = 161,950.14 × 63,642.48
  4. Step 4: Simplify right side
    117,358.44x = 10,306,908,545.95
  5. Step 5: Solve for x
    x = 10,306,908,545.95/117,358.44
  6. Step 6: Final answer
    x = 87,824.18

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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.