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Finding the Fourth Proportional to 85,184.95, 127,836.72 and 35,265.31

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Solution

The fourth proportional to 85,184.95, 127,836.72 and 35,265.31 is: 52,922.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,184.95 : 127,836.72 = 35,265.31 : x
  2. Step 2: Convert to fraction form
    85,184.95/127,836.72 = 35,265.31/x
  3. Step 3: Cross multiply
    85,184.95x = 127,836.72 × 35,265.31
  4. Step 4: Simplify right side
    85,184.95x = 4,508,200,744.67
  5. Step 5: Solve for x
    x = 4,508,200,744.67/85,184.95
  6. Step 6: Final answer
    x = 52,922.50

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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.