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Finding the Fourth Proportional to 107,203.88, 160,818.24 and 40,693.70

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Solution

The fourth proportional to 107,203.88, 160,818.24 and 40,693.70 is: 61,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,203.88 : 160,818.24 = 40,693.70 : x
  2. Step 2: Convert to fraction form
    107,203.88/160,818.24 = 40,693.70/x
  3. Step 3: Cross multiply
    107,203.88x = 160,818.24 × 40,693.70
  4. Step 4: Simplify right side
    107,203.88x = 6,544,289,213.09
  5. Step 5: Solve for x
    x = 6,544,289,213.09/107,203.88
  6. Step 6: Final answer
    x = 61,045.26

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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.