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Finding the Fourth Proportional to 556,744.40, 835,109.32 and 136,023.92

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Solution

The fourth proportional to 556,744.40, 835,109.32 and 136,023.92 is: 204,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,744.40 : 835,109.32 = 136,023.92 : x
  2. Step 2: Convert to fraction form
    556,744.40/835,109.32 = 136,023.92/x
  3. Step 3: Cross multiply
    556,744.40x = 835,109.32 × 136,023.92
  4. Step 4: Simplify right side
    556,744.40x = 113,594,843,334.93
  5. Step 5: Solve for x
    x = 113,594,843,334.93/556,744.40
  6. Step 6: Final answer
    x = 204,034.10

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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.