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Finding the Fourth Proportional to 98,880.99, 148,222.31 and 48,997.34

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Solution

The fourth proportional to 98,880.99, 148,222.31 and 48,997.34 is: 73,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880.99 : 148,222.31 = 48,997.34 : x
  2. Step 2: Convert to fraction form
    98,880.99/148,222.31 = 48,997.34/x
  3. Step 3: Cross multiply
    98,880.99x = 148,222.31 × 48,997.34
  4. Step 4: Simplify right side
    98,880.99x = 7,262,498,488.39
  5. Step 5: Solve for x
    x = 7,262,498,488.39/98,880.99
  6. Step 6: Final answer
    x = 73,446.87

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1.5x scale

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.