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Finding the Fourth Proportional to 181,765.66, 250,673.31 and 113,788.83

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Solution

The fourth proportional to 181,765.66, 250,673.31 and 113,788.83 is: 156,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,765.66 : 250,673.31 = 113,788.83 : x
  2. Step 2: Convert to fraction form
    181,765.66/250,673.31 = 113,788.83/x
  3. Step 3: Cross multiply
    181,765.66x = 250,673.31 × 113,788.83
  4. Step 4: Simplify right side
    181,765.66x = 28,523,821,403.76
  5. Step 5: Solve for x
    x = 28,523,821,403.76/181,765.66
  6. Step 6: Final answer
    x = 156,926.35

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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.