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Finding the Fourth Proportional to 99,396.41, 148,986.17 and 48,830.23

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Solution

The fourth proportional to 99,396.41, 148,986.17 and 48,830.23 is: 73,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,396.41 : 148,986.17 = 48,830.23 : x
  2. Step 2: Convert to fraction form
    99,396.41/148,986.17 = 48,830.23/x
  3. Step 3: Cross multiply
    99,396.41x = 148,986.17 × 48,830.23
  4. Step 4: Simplify right side
    99,396.41x = 7,275,028,331.30
  5. Step 5: Solve for x
    x = 7,275,028,331.30/99,396.41
  6. Step 6: Final answer
    x = 73,192.07

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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.