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Finding the Fourth Proportional to 123,033.51, 169,774.10 and 69,328.08

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Solution

The fourth proportional to 123,033.51, 169,774.10 and 69,328.08 is: 95,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,033.51 : 169,774.10 = 69,328.08 : x
  2. Step 2: Convert to fraction form
    123,033.51/169,774.10 = 69,328.08/x
  3. Step 3: Cross multiply
    123,033.51x = 169,774.10 × 69,328.08
  4. Step 4: Simplify right side
    123,033.51x = 11,770,112,386.73
  5. Step 5: Solve for x
    x = 11,770,112,386.73/123,033.51
  6. Step 6: Final answer
    x = 95,665.91

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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.