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Finding the Fourth Proportional to 127,359.54, 175,754.31 and 73,649.55

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Solution

The fourth proportional to 127,359.54, 175,754.31 and 73,649.55 is: 101,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,359.54 : 175,754.31 = 73,649.55 : x
  2. Step 2: Convert to fraction form
    127,359.54/175,754.31 = 73,649.55/x
  3. Step 3: Cross multiply
    127,359.54x = 175,754.31 × 73,649.55
  4. Step 4: Simplify right side
    127,359.54x = 12,944,226,224.95
  5. Step 5: Solve for x
    x = 12,944,226,224.95/127,359.54
  6. Step 6: Final answer
    x = 101,635.31

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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.