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Finding the Fourth Proportional to 232,456.30, 348,743.85 and 74,686.30

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Solution

The fourth proportional to 232,456.30, 348,743.85 and 74,686.30 is: 112,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,456.30 : 348,743.85 = 74,686.30 : x
  2. Step 2: Convert to fraction form
    232,456.30/348,743.85 = 74,686.30/x
  3. Step 3: Cross multiply
    232,456.30x = 348,743.85 × 74,686.30
  4. Step 4: Simplify right side
    232,456.30x = 26,046,387,804.26
  5. Step 5: Solve for x
    x = 26,046,387,804.26/232,456.30
  6. Step 6: Final answer
    x = 112,048.53

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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.