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Finding the Fourth Proportional to 146,702, 220,081.28 and 62,460.60

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Solution

The fourth proportional to 146,702, 220,081.28 and 62,460.60 is: 93,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,702 : 220,081.28 = 62,460.60 : x
  2. Step 2: Convert to fraction form
    146,702/220,081.28 = 62,460.60/x
  3. Step 3: Cross multiply
    146,702x = 220,081.28 × 62,460.60
  4. Step 4: Simplify right side
    146,702x = 13,746,408,797.57
  5. Step 5: Solve for x
    x = 13,746,408,797.57/146,702
  6. Step 6: Final answer
    x = 93,702.94

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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.