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Finding the Fourth Proportional to 230,612.56, 345,890.22 and 62,146.06

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Solution

The fourth proportional to 230,612.56, 345,890.22 and 62,146.06 is: 93,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,612.56 : 345,890.22 = 62,146.06 : x
  2. Step 2: Convert to fraction form
    230,612.56/345,890.22 = 62,146.06/x
  3. Step 3: Cross multiply
    230,612.56x = 345,890.22 × 62,146.06
  4. Step 4: Simplify right side
    230,612.56x = 21,495,714,365.53
  5. Step 5: Solve for x
    x = 21,495,714,365.53/230,612.56
  6. Step 6: Final answer
    x = 93,211.38

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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.