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Finding the Fourth Proportional to 169,793.74, 234,211.12 and 100,836.36

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Solution

The fourth proportional to 169,793.74, 234,211.12 and 100,836.36 is: 139,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,793.74 : 234,211.12 = 100,836.36 : x
  2. Step 2: Convert to fraction form
    169,793.74/234,211.12 = 100,836.36/x
  3. Step 3: Cross multiply
    169,793.74x = 234,211.12 × 100,836.36
  4. Step 4: Simplify right side
    169,793.74x = 23,616,996,812.32
  5. Step 5: Solve for x
    x = 23,616,996,812.32/169,793.74
  6. Step 6: Final answer
    x = 139,092.27

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1.5x scale

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.