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Finding the Fourth Proportional to 302,099.16, 453,119.31 and 91,738.92

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Solution

The fourth proportional to 302,099.16, 453,119.31 and 91,738.92 is: 137,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,099.16 : 453,119.31 = 91,738.92 : x
  2. Step 2: Convert to fraction form
    302,099.16/453,119.31 = 91,738.92/x
  3. Step 3: Cross multiply
    302,099.16x = 453,119.31 × 91,738.92
  4. Step 4: Simplify right side
    302,099.16x = 41,568,676,130.55
  5. Step 5: Solve for x
    x = 41,568,676,130.55/302,099.16
  6. Step 6: Final answer
    x = 137,599.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.