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Finding the Fourth Proportional to 148,802.80, 223,182.60 and 43,610.80

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Solution

The fourth proportional to 148,802.80, 223,182.60 and 43,610.80 is: 65,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,802.80 : 223,182.60 = 43,610.80 : x
  2. Step 2: Convert to fraction form
    148,802.80/223,182.60 = 43,610.80/x
  3. Step 3: Cross multiply
    148,802.80x = 223,182.60 × 43,610.80
  4. Step 4: Simplify right side
    148,802.80x = 9,733,171,732.08
  5. Step 5: Solve for x
    x = 9,733,171,732.08/148,802.80
  6. Step 6: Final answer
    x = 65,409.87

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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.