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Finding the Fourth Proportional to 159,771.83, 220,484.84 and 88,151.63

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Solution

The fourth proportional to 159,771.83, 220,484.84 and 88,151.63 is: 121,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,771.83 : 220,484.84 = 88,151.63 : x
  2. Step 2: Convert to fraction form
    159,771.83/220,484.84 = 88,151.63/x
  3. Step 3: Cross multiply
    159,771.83x = 220,484.84 × 88,151.63
  4. Step 4: Simplify right side
    159,771.83x = 19,436,096,493.11
  5. Step 5: Solve for x
    x = 19,436,096,493.11/159,771.83
  6. Step 6: Final answer
    x = 121,649.09

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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.