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Finding the Fourth Proportional to 98,362.80, 147,544.20 and 24,490.80

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Solution

The fourth proportional to 98,362.80, 147,544.20 and 24,490.80 is: 36,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,362.80 : 147,544.20 = 24,490.80 : x
  2. Step 2: Convert to fraction form
    98,362.80/147,544.20 = 24,490.80/x
  3. Step 3: Cross multiply
    98,362.80x = 147,544.20 × 24,490.80
  4. Step 4: Simplify right side
    98,362.80x = 3,613,475,493.36
  5. Step 5: Solve for x
    x = 3,613,475,493.36/98,362.80
  6. Step 6: Final answer
    x = 36,736.20

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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.