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Finding the Fourth Proportional to 153,843.12, 230,764.56 and 43,035.12

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Solution

The fourth proportional to 153,843.12, 230,764.56 and 43,035.12 is: 64,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,843.12 : 230,764.56 = 43,035.12 : x
  2. Step 2: Convert to fraction form
    153,843.12/230,764.56 = 43,035.12/x
  3. Step 3: Cross multiply
    153,843.12x = 230,764.56 × 43,035.12
  4. Step 4: Simplify right side
    153,843.12x = 9,930,980,531.35
  5. Step 5: Solve for x
    x = 9,930,980,531.35/153,843.12
  6. Step 6: Final answer
    x = 64,552.65

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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.