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Finding the Fourth Proportional to 185,734.02, 278,641.04 and 57,647.64

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Solution

The fourth proportional to 185,734.02, 278,641.04 and 57,647.64 is: 86,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,734.02 : 278,641.04 = 57,647.64 : x
  2. Step 2: Convert to fraction form
    185,734.02/278,641.04 = 57,647.64/x
  3. Step 3: Cross multiply
    185,734.02x = 278,641.04 × 57,647.64
  4. Step 4: Simplify right side
    185,734.02x = 16,062,998,074.91
  5. Step 5: Solve for x
    x = 16,062,998,074.91/185,734.02
  6. Step 6: Final answer
    x = 86,483.88

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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.