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Finding the Fourth Proportional to 185,750.88, 256,337.28 and 100,868.64

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Solution

The fourth proportional to 185,750.88, 256,337.28 and 100,868.64 is: 139,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,750.88 : 256,337.28 = 100,868.64 : x
  2. Step 2: Convert to fraction form
    185,750.88/256,337.28 = 100,868.64/x
  3. Step 3: Cross multiply
    185,750.88x = 256,337.28 × 100,868.64
  4. Step 4: Simplify right side
    185,750.88x = 25,856,392,814.90
  5. Step 5: Solve for x
    x = 25,856,392,814.90/185,750.88
  6. Step 6: Final answer
    x = 139,199.30

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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.