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Finding the Fourth Proportional to 556,938.75, 835,424.52 and 136,214.64

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Solution

The fourth proportional to 556,938.75, 835,424.52 and 136,214.64 is: 204,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,938.75 : 835,424.52 = 136,214.64 : x
  2. Step 2: Convert to fraction form
    556,938.75/835,424.52 = 136,214.64/x
  3. Step 3: Cross multiply
    556,938.75x = 835,424.52 × 136,214.64
  4. Step 4: Simplify right side
    556,938.75x = 113,797,050,238.97
  5. Step 5: Solve for x
    x = 113,797,050,238.97/556,938.75
  6. Step 6: Final answer
    x = 204,325.97

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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.