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Finding the Fourth Proportional to 110,119.11, 151,994.39 and 64,811.63

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Solution

The fourth proportional to 110,119.11, 151,994.39 and 64,811.63 is: 89,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,119.11 : 151,994.39 = 64,811.63 : x
  2. Step 2: Convert to fraction form
    110,119.11/151,994.39 = 64,811.63/x
  3. Step 3: Cross multiply
    110,119.11x = 151,994.39 × 64,811.63
  4. Step 4: Simplify right side
    110,119.11x = 9,851,003,082.73
  5. Step 5: Solve for x
    x = 9,851,003,082.73/110,119.11
  6. Step 6: Final answer
    x = 89,457.71

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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.