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Finding the Fourth Proportional to 269,603.40, 404,733.15 and 136,415.10

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Solution

The fourth proportional to 269,603.40, 404,733.15 and 136,415.10 is: 204,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,603.40 : 404,733.15 = 136,415.10 : x
  2. Step 2: Convert to fraction form
    269,603.40/404,733.15 = 136,415.10/x
  3. Step 3: Cross multiply
    269,603.40x = 404,733.15 × 136,415.10
  4. Step 4: Simplify right side
    269,603.40x = 55,211,713,130.57
  5. Step 5: Solve for x
    x = 55,211,713,130.57/269,603.40
  6. Step 6: Final answer
    x = 204,788.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.