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Finding the Fourth Proportional to 185,893.38, 278,840.34 and 45,652.14

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Solution

The fourth proportional to 185,893.38, 278,840.34 and 45,652.14 is: 68,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,893.38 : 278,840.34 = 45,652.14 : x
  2. Step 2: Convert to fraction form
    185,893.38/278,840.34 = 45,652.14/x
  3. Step 3: Cross multiply
    185,893.38x = 278,840.34 × 45,652.14
  4. Step 4: Simplify right side
    185,893.38x = 12,729,658,239.33
  5. Step 5: Solve for x
    x = 12,729,658,239.33/185,893.38
  6. Step 6: Final answer
    x = 68,478.28

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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.