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Finding the Fourth Proportional to 185,541.82, 256,047.81 and 100,658.88

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Solution

The fourth proportional to 185,541.82, 256,047.81 and 100,658.88 is: 138,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,541.82 : 256,047.81 = 100,658.88 : x
  2. Step 2: Convert to fraction form
    185,541.82/256,047.81 = 100,658.88/x
  3. Step 3: Cross multiply
    185,541.82x = 256,047.81 × 100,658.88
  4. Step 4: Simplify right side
    185,541.82x = 25,773,485,781.05
  5. Step 5: Solve for x
    x = 25,773,485,781.05/185,541.82
  6. Step 6: Final answer
    x = 138,909.31

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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.