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Finding the Fourth Proportional to 127,459.35, 175,883.40 and 75,062.97

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Solution

The fourth proportional to 127,459.35, 175,883.40 and 75,062.97 is: 103,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,459.35 : 175,883.40 = 75,062.97 : x
  2. Step 2: Convert to fraction form
    127,459.35/175,883.40 = 75,062.97/x
  3. Step 3: Cross multiply
    127,459.35x = 175,883.40 × 75,062.97
  4. Step 4: Simplify right side
    127,459.35x = 13,202,330,377.70
  5. Step 5: Solve for x
    x = 13,202,330,377.70/127,459.35
  6. Step 6: Final answer
    x = 103,580.71

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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.