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Finding the Fourth Proportional to 256,883.52, 385,225.44 and 88,371.84

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Solution

The fourth proportional to 256,883.52, 385,225.44 and 88,371.84 is: 132,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,883.52 : 385,225.44 = 88,371.84 : x
  2. Step 2: Convert to fraction form
    256,883.52/385,225.44 = 88,371.84/x
  3. Step 3: Cross multiply
    256,883.52x = 385,225.44 × 88,371.84
  4. Step 4: Simplify right side
    256,883.52x = 34,043,080,947.61
  5. Step 5: Solve for x
    x = 34,043,080,947.61/256,883.52
  6. Step 6: Final answer
    x = 132,523.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.