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Finding the Fourth Proportional to 156,799.65, 235,199.48 and 154,207.65

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Solution

The fourth proportional to 156,799.65, 235,199.48 and 154,207.65 is: 231,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,799.65 : 235,199.48 = 154,207.65 : x
  2. Step 2: Convert to fraction form
    156,799.65/235,199.48 = 154,207.65/x
  3. Step 3: Cross multiply
    156,799.65x = 235,199.48 × 154,207.65
  4. Step 4: Simplify right side
    156,799.65x = 36,269,558,320.98
  5. Step 5: Solve for x
    x = 36,269,558,320.98/156,799.65
  6. Step 6: Final answer
    x = 231,311.48

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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.