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Finding the Fourth Proportional to 335,817.10, 503,722.59 and 136,090

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Solution

The fourth proportional to 335,817.10, 503,722.59 and 136,090 is: 204,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,817.10 : 503,722.59 = 136,090 : x
  2. Step 2: Convert to fraction form
    335,817.10/503,722.59 = 136,090/x
  3. Step 3: Cross multiply
    335,817.10x = 503,722.59 × 136,090
  4. Step 4: Simplify right side
    335,817.10x = 68,551,607,273.10
  5. Step 5: Solve for x
    x = 68,551,607,273.10/335,817.10
  6. Step 6: Final answer
    x = 204,133.76

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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.