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Finding the Fourth Proportional to 123,033.29, 169,779.66 and 69,321.48

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Solution

The fourth proportional to 123,033.29, 169,779.66 and 69,321.48 is: 95,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,033.29 : 169,779.66 = 69,321.48 : x
  2. Step 2: Convert to fraction form
    123,033.29/169,779.66 = 69,321.48/x
  3. Step 3: Cross multiply
    123,033.29x = 169,779.66 × 69,321.48
  4. Step 4: Simplify right side
    123,033.29x = 11,769,377,305.10
  5. Step 5: Solve for x
    x = 11,769,377,305.10/123,033.29
  6. Step 6: Final answer
    x = 95,660.10

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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.