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Finding the Fourth Proportional to 548,065.72, 822,001.53 and 148,737.54

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Solution

The fourth proportional to 548,065.72, 822,001.53 and 148,737.54 is: 223,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,065.72 : 822,001.53 = 148,737.54 : x
  2. Step 2: Convert to fraction form
    548,065.72/822,001.53 = 148,737.54/x
  3. Step 3: Cross multiply
    548,065.72x = 822,001.53 × 148,737.54
  4. Step 4: Simplify right side
    548,065.72x = 122,262,485,448.44
  5. Step 5: Solve for x
    x = 122,262,485,448.44/548,065.72
  6. Step 6: Final answer
    x = 223,079.97

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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.