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Finding the Fourth Proportional to 243,182.57, 335,590.65 and 141,233.09

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Solution

The fourth proportional to 243,182.57, 335,590.65 and 141,233.09 is: 194,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,182.57 : 335,590.65 = 141,233.09 : x
  2. Step 2: Convert to fraction form
    243,182.57/335,590.65 = 141,233.09/x
  3. Step 3: Cross multiply
    243,182.57x = 335,590.65 × 141,233.09
  4. Step 4: Simplify right side
    243,182.57x = 47,396,502,796.66
  5. Step 5: Solve for x
    x = 47,396,502,796.66/243,182.57
  6. Step 6: Final answer
    x = 194,900.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.