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Finding the Fourth Proportional to 133,206.68, 199,908.60 and 63,086.16

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Solution

The fourth proportional to 133,206.68, 199,908.60 and 63,086.16 is: 94,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,206.68 : 199,908.60 = 63,086.16 : x
  2. Step 2: Convert to fraction form
    133,206.68/199,908.60 = 63,086.16/x
  3. Step 3: Cross multiply
    133,206.68x = 199,908.60 × 63,086.16
  4. Step 4: Simplify right side
    133,206.68x = 12,611,465,924.98
  5. Step 5: Solve for x
    x = 12,611,465,924.98/133,206.68
  6. Step 6: Final answer
    x = 94,675.93

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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.