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Finding the Fourth Proportional to 127,043.76, 175,240.44 and 82,328.88

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Solution

The fourth proportional to 127,043.76, 175,240.44 and 82,328.88 is: 113,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,043.76 : 175,240.44 = 82,328.88 : x
  2. Step 2: Convert to fraction form
    127,043.76/175,240.44 = 82,328.88/x
  3. Step 3: Cross multiply
    127,043.76x = 175,240.44 × 82,328.88
  4. Step 4: Simplify right side
    127,043.76x = 14,427,349,155.91
  5. Step 5: Solve for x
    x = 14,427,349,155.91/127,043.76
  6. Step 6: Final answer
    x = 113,562.04

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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.