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Finding the Fourth Proportional to 230,211.12, 345,345.84 and 63,999.12

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Solution

The fourth proportional to 230,211.12, 345,345.84 and 63,999.12 is: 96,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,211.12 : 345,345.84 = 63,999.12 : x
  2. Step 2: Convert to fraction form
    230,211.12/345,345.84 = 63,999.12/x
  3. Step 3: Cross multiply
    230,211.12x = 345,345.84 × 63,999.12
  4. Step 4: Simplify right side
    230,211.12x = 22,101,829,855.66
  5. Step 5: Solve for x
    x = 22,101,829,855.66/230,211.12
  6. Step 6: Final answer
    x = 96,006.79

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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.