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Finding the Fourth Proportional to 185,574.30, 256,092.48 and 100,691.34

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Solution

The fourth proportional to 185,574.30, 256,092.48 and 100,691.34 is: 138,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,574.30 : 256,092.48 = 100,691.34 : x
  2. Step 2: Convert to fraction form
    185,574.30/256,092.48 = 100,691.34/x
  3. Step 3: Cross multiply
    185,574.30x = 256,092.48 × 100,691.34
  4. Step 4: Simplify right side
    185,574.30x = 25,786,294,975.12
  5. Step 5: Solve for x
    x = 25,786,294,975.12/185,574.30
  6. Step 6: Final answer
    x = 138,954.02

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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.