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Finding the Fourth Proportional to 232,590.80, 348,664.72 and 74,708.56

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Solution

The fourth proportional to 232,590.80, 348,664.72 and 74,708.56 is: 111,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,590.80 : 348,664.72 = 74,708.56 : x
  2. Step 2: Convert to fraction form
    232,590.80/348,664.72 = 74,708.56/x
  3. Step 3: Cross multiply
    232,590.80x = 348,664.72 × 74,708.56
  4. Step 4: Simplify right side
    232,590.80x = 26,048,239,154.00
  5. Step 5: Solve for x
    x = 26,048,239,154.00/232,590.80
  6. Step 6: Final answer
    x = 111,991.70

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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.