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Finding the Fourth Proportional to 148,907.80, 223,340.10 and 43,715.80

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Solution

The fourth proportional to 148,907.80, 223,340.10 and 43,715.80 is: 65,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,907.80 : 223,340.10 = 43,715.80 : x
  2. Step 2: Convert to fraction form
    148,907.80/223,340.10 = 43,715.80/x
  3. Step 3: Cross multiply
    148,907.80x = 223,340.10 × 43,715.80
  4. Step 4: Simplify right side
    148,907.80x = 9,763,491,143.58
  5. Step 5: Solve for x
    x = 9,763,491,143.58/148,907.80
  6. Step 6: Final answer
    x = 65,567.36

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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.