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Finding the Fourth Proportional to 185,357.92, 255,793.62 and 100,476.40

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Solution

The fourth proportional to 185,357.92, 255,793.62 and 100,476.40 is: 138,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,357.92 : 255,793.62 = 100,476.40 : x
  2. Step 2: Convert to fraction form
    185,357.92/255,793.62 = 100,476.40/x
  3. Step 3: Cross multiply
    185,357.92x = 255,793.62 × 100,476.40
  4. Step 4: Simplify right side
    185,357.92x = 25,701,222,080.57
  5. Step 5: Solve for x
    x = 25,701,222,080.57/185,357.92
  6. Step 6: Final answer
    x = 138,657.26

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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.