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Finding the Fourth Proportional to 127,892.60, 191,838.60 and 34,398.44

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Solution

The fourth proportional to 127,892.60, 191,838.60 and 34,398.44 is: 51,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,892.60 : 191,838.60 = 34,398.44 : x
  2. Step 2: Convert to fraction form
    127,892.60/191,838.60 = 34,398.44/x
  3. Step 3: Cross multiply
    127,892.60x = 191,838.60 × 34,398.44
  4. Step 4: Simplify right side
    127,892.60x = 6,598,948,571.78
  5. Step 5: Solve for x
    x = 6,598,948,571.78/127,892.60
  6. Step 6: Final answer
    x = 51,597.58

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1.5x scale

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.