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Finding the Fourth Proportional to 127,339.14, 175,720.52 and 73,620.34

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Solution

The fourth proportional to 127,339.14, 175,720.52 and 73,620.34 is: 101,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,339.14 : 175,720.52 = 73,620.34 : x
  2. Step 2: Convert to fraction form
    127,339.14/175,720.52 = 73,620.34/x
  3. Step 3: Cross multiply
    127,339.14x = 175,720.52 × 73,620.34
  4. Step 4: Simplify right side
    127,339.14x = 12,936,604,427.38
  5. Step 5: Solve for x
    x = 12,936,604,427.38/127,339.14
  6. Step 6: Final answer
    x = 101,591.74

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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.