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Finding the Fourth Proportional to 232,589.86, 348,663.32 and 74,707.62

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Solution

The fourth proportional to 232,589.86, 348,663.32 and 74,707.62 is: 111,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,589.86 : 348,663.32 = 74,707.62 : x
  2. Step 2: Convert to fraction form
    232,589.86/348,663.32 = 74,707.62/x
  3. Step 3: Cross multiply
    232,589.86x = 348,663.32 × 74,707.62
  4. Step 4: Simplify right side
    232,589.86x = 26,047,806,818.50
  5. Step 5: Solve for x
    x = 26,047,806,818.50/232,589.86
  6. Step 6: Final answer
    x = 111,990.29

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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.