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Finding the Fourth Proportional to 73,311.99, 109,999.17 and 49,646.22

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Solution

The fourth proportional to 73,311.99, 109,999.17 and 49,646.22 is: 74,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,311.99 : 109,999.17 = 49,646.22 : x
  2. Step 2: Convert to fraction form
    73,311.99/109,999.17 = 49,646.22/x
  3. Step 3: Cross multiply
    73,311.99x = 109,999.17 × 49,646.22
  4. Step 4: Simplify right side
    73,311.99x = 5,461,042,993.64
  5. Step 5: Solve for x
    x = 5,461,042,993.64/73,311.99
  6. Step 6: Final answer
    x = 74,490.45

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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.