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Finding the Fourth Proportional to 117,065.90, 161,552.11 and 63,352.07

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Solution

The fourth proportional to 117,065.90, 161,552.11 and 63,352.07 is: 87,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,065.90 : 161,552.11 = 63,352.07 : x
  2. Step 2: Convert to fraction form
    117,065.90/161,552.11 = 63,352.07/x
  3. Step 3: Cross multiply
    117,065.90x = 161,552.11 × 63,352.07
  4. Step 4: Simplify right side
    117,065.90x = 10,234,660,581.37
  5. Step 5: Solve for x
    x = 10,234,660,581.37/117,065.90
  6. Step 6: Final answer
    x = 87,426.49

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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.