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Finding the Fourth Proportional to 185,092.09, 277,638.18 and 66,763.42

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Solution

The fourth proportional to 185,092.09, 277,638.18 and 66,763.42 is: 100,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,092.09 : 277,638.18 = 66,763.42 : x
  2. Step 2: Convert to fraction form
    185,092.09/277,638.18 = 66,763.42/x
  3. Step 3: Cross multiply
    185,092.09x = 277,638.18 × 66,763.42
  4. Step 4: Simplify right side
    185,092.09x = 18,536,074,419.38
  5. Step 5: Solve for x
    x = 18,536,074,419.38/185,092.09
  6. Step 6: Final answer
    x = 100,145.15

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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.