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Finding the Fourth Proportional to 233,651.80, 349,959.30 and 93,338.20

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Solution

The fourth proportional to 233,651.80, 349,959.30 and 93,338.20 is: 139,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,651.80 : 349,959.30 = 93,338.20 : x
  2. Step 2: Convert to fraction form
    233,651.80/349,959.30 = 93,338.20/x
  3. Step 3: Cross multiply
    233,651.80x = 349,959.30 × 93,338.20
  4. Step 4: Simplify right side
    233,651.80x = 32,664,571,135.26
  5. Step 5: Solve for x
    x = 32,664,571,135.26/233,651.80
  6. Step 6: Final answer
    x = 139,800.21

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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.