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Finding the Fourth Proportional to 181,854.54, 250,872.33 and 141,290.72

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Solution

The fourth proportional to 181,854.54, 250,872.33 and 141,290.72 is: 194,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,854.54 : 250,872.33 = 141,290.72 : x
  2. Step 2: Convert to fraction form
    181,854.54/250,872.33 = 141,290.72/x
  3. Step 3: Cross multiply
    181,854.54x = 250,872.33 × 141,290.72
  4. Step 4: Simplify right side
    181,854.54x = 35,445,930,879.42
  5. Step 5: Solve for x
    x = 35,445,930,879.42/181,854.54
  6. Step 6: Final answer
    x = 194,913.64

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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.