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Finding the Fourth Proportional to 185,549.94, 278,324.16 and 67,193.64

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Solution

The fourth proportional to 185,549.94, 278,324.16 and 67,193.64 is: 100,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,549.94 : 278,324.16 = 67,193.64 : x
  2. Step 2: Convert to fraction form
    185,549.94/278,324.16 = 67,193.64/x
  3. Step 3: Cross multiply
    185,549.94x = 278,324.16 × 67,193.64
  4. Step 4: Simplify right side
    185,549.94x = 18,701,613,410.34
  5. Step 5: Solve for x
    x = 18,701,613,410.34/185,549.94
  6. Step 6: Final answer
    x = 100,790.19

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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.