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Finding the Fourth Proportional to 185,892.25, 278,837.79 and 52,772.59

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Solution

The fourth proportional to 185,892.25, 278,837.79 and 52,772.59 is: 79,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,892.25 : 278,837.79 = 52,772.59 : x
  2. Step 2: Convert to fraction form
    185,892.25/278,837.79 = 52,772.59/x
  3. Step 3: Cross multiply
    185,892.25x = 278,837.79 × 52,772.59
  4. Step 4: Simplify right side
    185,892.25x = 14,714,992,368.18
  5. Step 5: Solve for x
    x = 14,714,992,368.18/185,892.25
  6. Step 6: Final answer
    x = 79,158.72

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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.