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Finding the Fourth Proportional to 185,560.77, 256,073.88 and 100,677.84

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Solution

The fourth proportional to 185,560.77, 256,073.88 and 100,677.84 is: 138,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,560.77 : 256,073.88 = 100,677.84 : x
  2. Step 2: Convert to fraction form
    185,560.77/256,073.88 = 100,677.84/x
  3. Step 3: Cross multiply
    185,560.77x = 256,073.88 × 100,677.84
  4. Step 4: Simplify right side
    185,560.77x = 25,780,965,118.82
  5. Step 5: Solve for x
    x = 25,780,965,118.82/185,560.77
  6. Step 6: Final answer
    x = 138,935.43

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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.