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Finding the Fourth Proportional to 108,843.30, 150,184.80 and 61,098.66

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Solution

The fourth proportional to 108,843.30, 150,184.80 and 61,098.66 is: 84,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,843.30 : 150,184.80 = 61,098.66 : x
  2. Step 2: Convert to fraction form
    108,843.30/150,184.80 = 61,098.66/x
  3. Step 3: Cross multiply
    108,843.30x = 150,184.80 × 61,098.66
  4. Step 4: Simplify right side
    108,843.30x = 9,176,090,032.37
  5. Step 5: Solve for x
    x = 9,176,090,032.37/108,843.30
  6. Step 6: Final answer
    x = 84,305.51

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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.