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Finding the Fourth Proportional to 99,204.88, 136,903.17 and 53,883.22

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Solution

The fourth proportional to 99,204.88, 136,903.17 and 53,883.22 is: 74,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,204.88 : 136,903.17 = 53,883.22 : x
  2. Step 2: Convert to fraction form
    99,204.88/136,903.17 = 53,883.22/x
  3. Step 3: Cross multiply
    99,204.88x = 136,903.17 × 53,883.22
  4. Step 4: Simplify right side
    99,204.88x = 7,376,783,627.81
  5. Step 5: Solve for x
    x = 7,376,783,627.81/99,204.88
  6. Step 6: Final answer
    x = 74,359.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.