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Finding the Fourth Proportional to 169,886.91, 234,446.82 and 93,409.14

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Solution

The fourth proportional to 169,886.91, 234,446.82 and 93,409.14 is: 128,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,886.91 : 234,446.82 = 93,409.14 : x
  2. Step 2: Convert to fraction form
    169,886.91/234,446.82 = 93,409.14/x
  3. Step 3: Cross multiply
    169,886.91x = 234,446.82 × 93,409.14
  4. Step 4: Simplify right side
    169,886.91x = 21,899,475,831.93
  5. Step 5: Solve for x
    x = 21,899,475,831.93/169,886.91
  6. Step 6: Final answer
    x = 128,906.20

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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.