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Finding the Fourth Proportional to 159,676.82, 220,349.67 and 88,055.54

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Solution

The fourth proportional to 159,676.82, 220,349.67 and 88,055.54 is: 121,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,676.82 : 220,349.67 = 88,055.54 : x
  2. Step 2: Convert to fraction form
    159,676.82/220,349.67 = 88,055.54/x
  3. Step 3: Cross multiply
    159,676.82x = 220,349.67 × 88,055.54
  4. Step 4: Simplify right side
    159,676.82x = 19,403,009,180.67
  5. Step 5: Solve for x
    x = 19,403,009,180.67/159,676.82
  6. Step 6: Final answer
    x = 121,514.25

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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.