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Finding the Fourth Proportional to 223,672.92, 335,532.68 and 71,831.63

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Solution

The fourth proportional to 223,672.92, 335,532.68 and 71,831.63 is: 107,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,672.92 : 335,532.68 = 71,831.63 : x
  2. Step 2: Convert to fraction form
    223,672.92/335,532.68 = 71,831.63/x
  3. Step 3: Cross multiply
    223,672.92x = 335,532.68 × 71,831.63
  4. Step 4: Simplify right side
    223,672.92x = 24,101,859,322.67
  5. Step 5: Solve for x
    x = 24,101,859,322.67/223,672.92
  6. Step 6: Final answer
    x = 107,754.93

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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.