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Finding the Fourth Proportional to 104,708.40, 157,062.60 and 83,972.40

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Solution

The fourth proportional to 104,708.40, 157,062.60 and 83,972.40 is: 125,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,708.40 : 157,062.60 = 83,972.40 : x
  2. Step 2: Convert to fraction form
    104,708.40/157,062.60 = 83,972.40/x
  3. Step 3: Cross multiply
    104,708.40x = 157,062.60 × 83,972.40
  4. Step 4: Simplify right side
    104,708.40x = 13,188,923,472.24
  5. Step 5: Solve for x
    x = 13,188,923,472.24/104,708.40
  6. Step 6: Final answer
    x = 125,958.60

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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.