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Finding the Fourth Proportional to 556,747.90, 835,114.56 and 136,027.42

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Solution

The fourth proportional to 556,747.90, 835,114.56 and 136,027.42 is: 204,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,747.90 : 835,114.56 = 136,027.42 : x
  2. Step 2: Convert to fraction form
    556,747.90/835,114.56 = 136,027.42/x
  3. Step 3: Cross multiply
    556,747.90x = 835,114.56 × 136,027.42
  4. Step 4: Simplify right side
    556,747.90x = 113,598,479,001.24
  5. Step 5: Solve for x
    x = 113,598,479,001.24/556,747.90
  6. Step 6: Final answer
    x = 204,039.35

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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.