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Finding the Fourth Proportional to 269,681.00, 404,769.96 and 136,655.51

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Solution

The fourth proportional to 269,681.00, 404,769.96 and 136,655.51 is: 205,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,681.00 : 404,769.96 = 136,655.51 : x
  2. Step 2: Convert to fraction form
    269,681.00/404,769.96 = 136,655.51/x
  3. Step 3: Cross multiply
    269,681.00x = 404,769.96 × 136,655.51
  4. Step 4: Simplify right side
    269,681.00x = 55,314,043,292.63
  5. Step 5: Solve for x
    x = 55,314,043,292.63/269,681.00
  6. Step 6: Final answer
    x = 205,109.16

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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.