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Finding the Fourth Proportional to 154,269.80, 231,404.70 and 112,060.70

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Solution

The fourth proportional to 154,269.80, 231,404.70 and 112,060.70 is: 168,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,269.80 : 231,404.70 = 112,060.70 : x
  2. Step 2: Convert to fraction form
    154,269.80/231,404.70 = 112,060.70/x
  3. Step 3: Cross multiply
    154,269.80x = 231,404.70 × 112,060.70
  4. Step 4: Simplify right side
    154,269.80x = 25,931,372,665.29
  5. Step 5: Solve for x
    x = 25,931,372,665.29/154,269.80
  6. Step 6: Final answer
    x = 168,091.05

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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.