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Finding the Fourth Proportional to 127,352.60, 191,232.90 and 101,274.20

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Solution

The fourth proportional to 127,352.60, 191,232.90 and 101,274.20 is: 152,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,352.60 : 191,232.90 = 101,274.20 : x
  2. Step 2: Convert to fraction form
    127,352.60/191,232.90 = 101,274.20/x
  3. Step 3: Cross multiply
    127,352.60x = 191,232.90 × 101,274.20
  4. Step 4: Simplify right side
    127,352.60x = 19,366,958,961.18
  5. Step 5: Solve for x
    x = 19,366,958,961.18/127,352.60
  6. Step 6: Final answer
    x = 152,073.53

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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.