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Finding the Fourth Proportional to 119,632.48, 179,279.48 and 66,347.92

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Solution

The fourth proportional to 119,632.48, 179,279.48 and 66,347.92 is: 99,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,632.48 : 179,279.48 = 66,347.92 : x
  2. Step 2: Convert to fraction form
    119,632.48/179,279.48 = 66,347.92/x
  3. Step 3: Cross multiply
    119,632.48x = 179,279.48 × 66,347.92
  4. Step 4: Simplify right side
    119,632.48x = 11,894,820,596.68
  5. Step 5: Solve for x
    x = 11,894,820,596.68/119,632.48
  6. Step 6: Final answer
    x = 99,428.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.