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Finding the Fourth Proportional to 117,459.92, 162,095.23 and 63,744.92

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Solution

The fourth proportional to 117,459.92, 162,095.23 and 63,744.92 is: 87,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,459.92 : 162,095.23 = 63,744.92 : x
  2. Step 2: Convert to fraction form
    117,459.92/162,095.23 = 63,744.92/x
  3. Step 3: Cross multiply
    117,459.92x = 162,095.23 × 63,744.92
  4. Step 4: Simplify right side
    117,459.92x = 10,332,747,899.01
  5. Step 5: Solve for x
    x = 10,332,747,899.01/117,459.92
  6. Step 6: Final answer
    x = 87,968.28

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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.