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Finding the Fourth Proportional to 123,026.84, 169,776.26 and 69,329.10

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Solution

The fourth proportional to 123,026.84, 169,776.26 and 69,329.10 is: 95,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,026.84 : 169,776.26 = 69,329.10 : x
  2. Step 2: Convert to fraction form
    123,026.84/169,776.26 = 69,329.10/x
  3. Step 3: Cross multiply
    123,026.84x = 169,776.26 × 69,329.10
  4. Step 4: Simplify right side
    123,026.84x = 11,770,435,307.17
  5. Step 5: Solve for x
    x = 11,770,435,307.17/123,026.84
  6. Step 6: Final answer
    x = 95,673.72

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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.