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Finding the Fourth Proportional to 232,687.85, 348,662.70 and 153,709.80

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Solution

The fourth proportional to 232,687.85, 348,662.70 and 153,709.80 is: 230,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,687.85 : 348,662.70 = 153,709.80 : x
  2. Step 2: Convert to fraction form
    232,687.85/348,662.70 = 153,709.80/x
  3. Step 3: Cross multiply
    232,687.85x = 348,662.70 × 153,709.80
  4. Step 4: Simplify right side
    232,687.85x = 53,592,873,884.46
  5. Step 5: Solve for x
    x = 53,592,873,884.46/232,687.85
  6. Step 6: Final answer
    x = 230,320.90

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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.