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Finding the Fourth Proportional to 148,775.62, 205,033.44 and 101,030.98

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Solution

The fourth proportional to 148,775.62, 205,033.44 and 101,030.98 is: 139,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,775.62 : 205,033.44 = 101,030.98 : x
  2. Step 2: Convert to fraction form
    148,775.62/205,033.44 = 101,030.98/x
  3. Step 3: Cross multiply
    148,775.62x = 205,033.44 × 101,030.98
  4. Step 4: Simplify right side
    148,775.62x = 20,714,729,375.97
  5. Step 5: Solve for x
    x = 20,714,729,375.97/148,775.62
  6. Step 6: Final answer
    x = 139,234.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.