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Finding the Fourth Proportional to 108,784.35, 150,122.84 and 61,034.58

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Solution

The fourth proportional to 108,784.35, 150,122.84 and 61,034.58 is: 84,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,784.35 : 150,122.84 = 61,034.58 : x
  2. Step 2: Convert to fraction form
    108,784.35/150,122.84 = 61,034.58/x
  3. Step 3: Cross multiply
    108,784.35x = 150,122.84 × 61,034.58
  4. Step 4: Simplify right side
    108,784.35x = 9,162,684,182.63
  5. Step 5: Solve for x
    x = 9,162,684,182.63/108,784.35
  6. Step 6: Final answer
    x = 84,227.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.