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Finding the Fourth Proportional to 169,946.13, 234,531.54 and 93,471

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Solution

The fourth proportional to 169,946.13, 234,531.54 and 93,471 is: 128,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,946.13 : 234,531.54 = 93,471 : x
  2. Step 2: Convert to fraction form
    169,946.13/234,531.54 = 93,471/x
  3. Step 3: Cross multiply
    169,946.13x = 234,531.54 × 93,471
  4. Step 4: Simplify right side
    169,946.13x = 21,921,897,575.34
  5. Step 5: Solve for x
    x = 21,921,897,575.34/169,946.13
  6. Step 6: Final answer
    x = 128,993.21

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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.