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Finding the Fourth Proportional to 133,258.50, 199,986.03 and 63,137.88

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Solution

The fourth proportional to 133,258.50, 199,986.03 and 63,137.88 is: 94,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,258.50 : 199,986.03 = 63,137.88 : x
  2. Step 2: Convert to fraction form
    133,258.50/199,986.03 = 63,137.88/x
  3. Step 3: Cross multiply
    133,258.50x = 199,986.03 × 63,137.88
  4. Step 4: Simplify right side
    133,258.50x = 12,626,693,963.82
  5. Step 5: Solve for x
    x = 12,626,693,963.82/133,258.50
  6. Step 6: Final answer
    x = 94,753.39

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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.