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Finding the Fourth Proportional to 154,858.80, 232,131.30 and 104,943.90

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Solution

The fourth proportional to 154,858.80, 232,131.30 and 104,943.90 is: 157,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,858.80 : 232,131.30 = 104,943.90 : x
  2. Step 2: Convert to fraction form
    154,858.80/232,131.30 = 104,943.90/x
  3. Step 3: Cross multiply
    154,858.80x = 232,131.30 × 104,943.90
  4. Step 4: Simplify right side
    154,858.80x = 24,360,763,934.07
  5. Step 5: Solve for x
    x = 24,360,763,934.07/154,858.80
  6. Step 6: Final answer
    x = 157,309.52

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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.