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Finding the Fourth Proportional to 146,746.60, 220,107.10 and 48,250.60

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Solution

The fourth proportional to 146,746.60, 220,107.10 and 48,250.60 is: 72,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,746.60 : 220,107.10 = 48,250.60 : x
  2. Step 2: Convert to fraction form
    146,746.60/220,107.10 = 48,250.60/x
  3. Step 3: Cross multiply
    146,746.60x = 220,107.10 × 48,250.60
  4. Step 4: Simplify right side
    146,746.60x = 10,620,299,639.26
  5. Step 5: Solve for x
    x = 10,620,299,639.26/146,746.60
  6. Step 6: Final answer
    x = 72,371.69

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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.