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Finding the Fourth Proportional to 108,995.85, 150,418.08 and 61,248.24

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Solution

The fourth proportional to 108,995.85, 150,418.08 and 61,248.24 is: 84,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,995.85 : 150,418.08 = 61,248.24 : x
  2. Step 2: Convert to fraction form
    108,995.85/150,418.08 = 61,248.24/x
  3. Step 3: Cross multiply
    108,995.85x = 150,418.08 × 61,248.24
  4. Step 4: Simplify right side
    108,995.85x = 9,212,842,664.18
  5. Step 5: Solve for x
    x = 9,212,842,664.18/108,995.85
  6. Step 6: Final answer
    x = 84,524.71

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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.