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Finding the Fourth Proportional to 127,398.76, 175,809.27 and 69,255.13

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Solution

The fourth proportional to 127,398.76, 175,809.27 and 69,255.13 is: 95,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,398.76 : 175,809.27 = 69,255.13 : x
  2. Step 2: Convert to fraction form
    127,398.76/175,809.27 = 69,255.13/x
  3. Step 3: Cross multiply
    127,398.76x = 175,809.27 × 69,255.13
  4. Step 4: Simplify right side
    127,398.76x = 12,175,693,849.06
  5. Step 5: Solve for x
    x = 12,175,693,849.06/127,398.76
  6. Step 6: Final answer
    x = 95,571.53

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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.