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Finding the Fourth Proportional to 153,175.80, 229,770.90 and 47,998.20

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Solution

The fourth proportional to 153,175.80, 229,770.90 and 47,998.20 is: 71,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,175.80 : 229,770.90 = 47,998.20 : x
  2. Step 2: Convert to fraction form
    153,175.80/229,770.90 = 47,998.20/x
  3. Step 3: Cross multiply
    153,175.80x = 229,770.90 × 47,998.20
  4. Step 4: Simplify right side
    153,175.80x = 11,028,589,612.38
  5. Step 5: Solve for x
    x = 11,028,589,612.38/153,175.80
  6. Step 6: Final answer
    x = 71,999.56

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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.