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Finding the Fourth Proportional to 185,310.60, 277,965.90 and 60,664.20

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Solution

The fourth proportional to 185,310.60, 277,965.90 and 60,664.20 is: 90,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,310.60 : 277,965.90 = 60,664.20 : x
  2. Step 2: Convert to fraction form
    185,310.60/277,965.90 = 60,664.20/x
  3. Step 3: Cross multiply
    185,310.60x = 277,965.90 × 60,664.20
  4. Step 4: Simplify right side
    185,310.60x = 16,862,578,950.78
  5. Step 5: Solve for x
    x = 16,862,578,950.78/185,310.60
  6. Step 6: Final answer
    x = 90,996.30

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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.