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Finding the Fourth Proportional to 230,290.74, 345,539.79 and 124,951.86

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Solution

The fourth proportional to 230,290.74, 345,539.79 and 124,951.86 is: 187,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,290.74 : 345,539.79 = 124,951.86 : x
  2. Step 2: Convert to fraction form
    230,290.74/345,539.79 = 124,951.86/x
  3. Step 3: Cross multiply
    230,290.74x = 345,539.79 × 124,951.86
  4. Step 4: Simplify right side
    230,290.74x = 43,175,839,464.51
  5. Step 5: Solve for x
    x = 43,175,839,464.51/230,290.74
  6. Step 6: Final answer
    x = 187,484.05

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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.