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Finding the Fourth Proportional to 127,373.60, 191,264.40 and 101,295.20

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Solution

The fourth proportional to 127,373.60, 191,264.40 and 101,295.20 is: 152,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,373.60 : 191,264.40 = 101,295.20 : x
  2. Step 2: Convert to fraction form
    127,373.60/191,264.40 = 101,295.20/x
  3. Step 3: Cross multiply
    127,373.60x = 191,264.40 × 101,295.20
  4. Step 4: Simplify right side
    127,373.60x = 19,374,165,650.88
  5. Step 5: Solve for x
    x = 19,374,165,650.88/127,373.60
  6. Step 6: Final answer
    x = 152,105.03

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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.