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Finding the Fourth Proportional to 108,876.52, 150,212.10 and 61,123.24

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Solution

The fourth proportional to 108,876.52, 150,212.10 and 61,123.24 is: 84,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876.52 : 150,212.10 = 61,123.24 : x
  2. Step 2: Convert to fraction form
    108,876.52/150,212.10 = 61,123.24/x
  3. Step 3: Cross multiply
    108,876.52x = 150,212.10 × 61,123.24
  4. Step 4: Simplify right side
    108,876.52x = 9,181,450,239.20
  5. Step 5: Solve for x
    x = 9,181,450,239.20/108,876.52
  6. Step 6: Final answer
    x = 84,329.02

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1.5x scale

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.