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Finding the Fourth Proportional to 133,213.50, 199,918.88 and 63,093.02

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Solution

The fourth proportional to 133,213.50, 199,918.88 and 63,093.02 is: 94,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,213.50 : 199,918.88 = 63,093.02 : x
  2. Step 2: Convert to fraction form
    133,213.50/199,918.88 = 63,093.02/x
  3. Step 3: Cross multiply
    133,213.50x = 199,918.88 × 63,093.02
  4. Step 4: Simplify right side
    133,213.50x = 12,613,484,579.16
  5. Step 5: Solve for x
    x = 12,613,484,579.16/133,213.50
  6. Step 6: Final answer
    x = 94,686.23

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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.