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Finding the Fourth Proportional to 89,884.99, 124,041.73 and 49,598.78

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Solution

The fourth proportional to 89,884.99, 124,041.73 and 49,598.78 is: 68,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,884.99 : 124,041.73 = 49,598.78 : x
  2. Step 2: Convert to fraction form
    89,884.99/124,041.73 = 49,598.78/x
  3. Step 3: Cross multiply
    89,884.99x = 124,041.73 × 49,598.78
  4. Step 4: Simplify right side
    89,884.99x = 6,152,318,523.62
  5. Step 5: Solve for x
    x = 6,152,318,523.62/89,884.99
  6. Step 6: Final answer
    x = 68,446.56

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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.