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Finding the Fourth Proportional to 185,295.83, 277,990.05 and 85,525.79

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Solution

The fourth proportional to 185,295.83, 277,990.05 and 85,525.79 is: 128,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,295.83 : 277,990.05 = 85,525.79 : x
  2. Step 2: Convert to fraction form
    185,295.83/277,990.05 = 85,525.79/x
  3. Step 3: Cross multiply
    185,295.83x = 277,990.05 × 85,525.79
  4. Step 4: Simplify right side
    185,295.83x = 23,775,317,248.44
  5. Step 5: Solve for x
    x = 23,775,317,248.44/185,295.83
  6. Step 6: Final answer
    x = 128,310.05

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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.