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Finding the Fourth Proportional to 154,097.80, 231,365.40 and 95,048.80

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Solution

The fourth proportional to 154,097.80, 231,365.40 and 95,048.80 is: 142,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,097.80 : 231,365.40 = 95,048.80 : x
  2. Step 2: Convert to fraction form
    154,097.80/231,365.40 = 95,048.80/x
  3. Step 3: Cross multiply
    154,097.80x = 231,365.40 × 95,048.80
  4. Step 4: Simplify right side
    154,097.80x = 21,991,003,631.52
  5. Step 5: Solve for x
    x = 21,991,003,631.52/154,097.80
  6. Step 6: Final answer
    x = 142,708.10

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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.