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Finding the Fourth Proportional to 154,162.83, 230,866.83 and 127,344.74

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Solution

The fourth proportional to 154,162.83, 230,866.83 and 127,344.74 is: 190,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,162.83 : 230,866.83 = 127,344.74 : x
  2. Step 2: Convert to fraction form
    154,162.83/230,866.83 = 127,344.74/x
  3. Step 3: Cross multiply
    154,162.83x = 230,866.83 × 127,344.74
  4. Step 4: Simplify right side
    154,162.83x = 29,399,675,286.64
  5. Step 5: Solve for x
    x = 29,399,675,286.64/154,162.83
  6. Step 6: Final answer
    x = 190,705.34

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1.5x scale

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.