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Finding the Fourth Proportional to 101,799.74, 152,625.80 and 68,437.10

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Solution

The fourth proportional to 101,799.74, 152,625.80 and 68,437.10 is: 102,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,799.74 : 152,625.80 = 68,437.10 : x
  2. Step 2: Convert to fraction form
    101,799.74/152,625.80 = 68,437.10/x
  3. Step 3: Cross multiply
    101,799.74x = 152,625.80 × 68,437.10
  4. Step 4: Simplify right side
    101,799.74x = 10,445,267,137.18
  5. Step 5: Solve for x
    x = 10,445,267,137.18/101,799.74
  6. Step 6: Final answer
    x = 102,606.03

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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.