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Finding the Fourth Proportional to 133,699.51, 200,161.53 and 104,027.39

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Solution

The fourth proportional to 133,699.51, 200,161.53 and 104,027.39 is: 155,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,699.51 : 200,161.53 = 104,027.39 : x
  2. Step 2: Convert to fraction form
    133,699.51/200,161.53 = 104,027.39/x
  3. Step 3: Cross multiply
    133,699.51x = 200,161.53 × 104,027.39
  4. Step 4: Simplify right side
    133,699.51x = 20,822,281,294.10
  5. Step 5: Solve for x
    x = 20,822,281,294.10/133,699.51
  6. Step 6: Final answer
    x = 155,739.40

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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.