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Finding the Fourth Proportional to 133,221.94, 199,931.34 and 63,101.26

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Solution

The fourth proportional to 133,221.94, 199,931.34 and 63,101.26 is: 94,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,221.94 : 199,931.34 = 63,101.26 : x
  2. Step 2: Convert to fraction form
    133,221.94/199,931.34 = 63,101.26/x
  3. Step 3: Cross multiply
    133,221.94x = 199,931.34 × 63,101.26
  4. Step 4: Simplify right side
    133,221.94x = 12,615,919,467.49
  5. Step 5: Solve for x
    x = 12,615,919,467.49/133,221.94
  6. Step 6: Final answer
    x = 94,698.51

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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.