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Finding the Fourth Proportional to 133,223.61, 199,866.82 and 43,266.02

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Solution

The fourth proportional to 133,223.61, 199,866.82 and 43,266.02 is: 64,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,223.61 : 199,866.82 = 43,266.02 : x
  2. Step 2: Convert to fraction form
    133,223.61/199,866.82 = 43,266.02/x
  3. Step 3: Cross multiply
    133,223.61x = 199,866.82 × 43,266.02
  4. Step 4: Simplify right side
    133,223.61x = 8,647,441,831.46
  5. Step 5: Solve for x
    x = 8,647,441,831.46/133,223.61
  6. Step 6: Final answer
    x = 64,909.23

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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.