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Finding the Fourth Proportional to 148,860, 223,012.68 and 73,894.80

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Solution

The fourth proportional to 148,860, 223,012.68 and 73,894.80 is: 110,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,860 : 223,012.68 = 73,894.80 : x
  2. Step 2: Convert to fraction form
    148,860/223,012.68 = 73,894.80/x
  3. Step 3: Cross multiply
    148,860x = 223,012.68 × 73,894.80
  4. Step 4: Simplify right side
    148,860x = 16,479,477,386.06
  5. Step 5: Solve for x
    x = 16,479,477,386.06/148,860
  6. Step 6: Final answer
    x = 110,704.54

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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.