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Finding the Fourth Proportional to 146,728.60, 220,092.90 and 97,480.60

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Solution

The fourth proportional to 146,728.60, 220,092.90 and 97,480.60 is: 146,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,728.60 : 220,092.90 = 97,480.60 : x
  2. Step 2: Convert to fraction form
    146,728.60/220,092.90 = 97,480.60/x
  3. Step 3: Cross multiply
    146,728.60x = 220,092.90 × 97,480.60
  4. Step 4: Simplify right side
    146,728.60x = 21,454,787,947.74
  5. Step 5: Solve for x
    x = 21,454,787,947.74/146,728.60
  6. Step 6: Final answer
    x = 146,220.90

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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.