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Finding the Fourth Proportional to 127,366.60, 191,253.90 and 101,288.20

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Solution

The fourth proportional to 127,366.60, 191,253.90 and 101,288.20 is: 152,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,366.60 : 191,253.90 = 101,288.20 : x
  2. Step 2: Convert to fraction form
    127,366.60/191,253.90 = 101,288.20/x
  3. Step 3: Cross multiply
    127,366.60x = 191,253.90 × 101,288.20
  4. Step 4: Simplify right side
    127,366.60x = 19,371,763,273.98
  5. Step 5: Solve for x
    x = 19,371,763,273.98/127,366.60
  6. Step 6: Final answer
    x = 152,094.53

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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.