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Finding the Fourth Proportional to 122,403.24, 183,494.01 and 43,499.01

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Solution

The fourth proportional to 122,403.24, 183,494.01 and 43,499.01 is: 65,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,403.24 : 183,494.01 = 43,499.01 : x
  2. Step 2: Convert to fraction form
    122,403.24/183,494.01 = 43,499.01/x
  3. Step 3: Cross multiply
    122,403.24x = 183,494.01 × 43,499.01
  4. Step 4: Simplify right side
    122,403.24x = 7,981,807,775.93
  5. Step 5: Solve for x
    x = 7,981,807,775.93/122,403.24
  6. Step 6: Final answer
    x = 65,209.12

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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.