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Finding the Fourth Proportional to 158,514.72, 218,820.11 and 110,954.76

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Solution

The fourth proportional to 158,514.72, 218,820.11 and 110,954.76 is: 153,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,514.72 : 218,820.11 = 110,954.76 : x
  2. Step 2: Convert to fraction form
    158,514.72/218,820.11 = 110,954.76/x
  3. Step 3: Cross multiply
    158,514.72x = 218,820.11 × 110,954.76
  4. Step 4: Simplify right side
    158,514.72x = 24,279,132,788.22
  5. Step 5: Solve for x
    x = 24,279,132,788.22/158,514.72
  6. Step 6: Final answer
    x = 153,166.42

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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.