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Finding the Fourth Proportional to 169,888.92, 254,831.76 and 45,229.92

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Solution

The fourth proportional to 169,888.92, 254,831.76 and 45,229.92 is: 67,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,888.92 : 254,831.76 = 45,229.92 : x
  2. Step 2: Convert to fraction form
    169,888.92/254,831.76 = 45,229.92/x
  3. Step 3: Cross multiply
    169,888.92x = 254,831.76 × 45,229.92
  4. Step 4: Simplify right side
    169,888.92x = 11,526,020,118.26
  5. Step 5: Solve for x
    x = 11,526,020,118.26/169,888.92
  6. Step 6: Final answer
    x = 67,844.45

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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.