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Finding the Fourth Proportional to 113,798.00, 170,731.17 and 53,872.15

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Solution

The fourth proportional to 113,798.00, 170,731.17 and 53,872.15 is: 80,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,798.00 : 170,731.17 = 53,872.15 : x
  2. Step 2: Convert to fraction form
    113,798.00/170,731.17 = 53,872.15/x
  3. Step 3: Cross multiply
    113,798.00x = 170,731.17 × 53,872.15
  4. Step 4: Simplify right side
    113,798.00x = 9,197,655,093.21
  5. Step 5: Solve for x
    x = 9,197,655,093.21/113,798.00
  6. Step 6: Final answer
    x = 80,824.40

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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.