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Finding the Fourth Proportional to 146,801.60, 220,105.20 and 53,295.20

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Solution

The fourth proportional to 146,801.60, 220,105.20 and 53,295.20 is: 79,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,801.60 : 220,105.20 = 53,295.20 : x
  2. Step 2: Convert to fraction form
    146,801.60/220,105.20 = 53,295.20/x
  3. Step 3: Cross multiply
    146,801.60x = 220,105.20 × 53,295.20
  4. Step 4: Simplify right side
    146,801.60x = 11,730,550,655.04
  5. Step 5: Solve for x
    x = 11,730,550,655.04/146,801.60
  6. Step 6: Final answer
    x = 79,907.51

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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.