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Finding the Fourth Proportional to 230,853.65, 346,236.73 and 81,058.73

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Solution

The fourth proportional to 230,853.65, 346,236.73 and 81,058.73 is: 121,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,853.65 : 346,236.73 = 81,058.73 : x
  2. Step 2: Convert to fraction form
    230,853.65/346,236.73 = 81,058.73/x
  3. Step 3: Cross multiply
    230,853.65x = 346,236.73 × 81,058.73
  4. Step 4: Simplify right side
    230,853.65x = 28,065,509,613.15
  5. Step 5: Solve for x
    x = 28,065,509,613.15/230,853.65
  6. Step 6: Final answer
    x = 121,572.73

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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.