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Finding the Fourth Proportional to 108,799.73, 150,158.57 and 61,055.90

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Solution

The fourth proportional to 108,799.73, 150,158.57 and 61,055.90 is: 84,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,799.73 : 150,158.57 = 61,055.90 : x
  2. Step 2: Convert to fraction form
    108,799.73/150,158.57 = 61,055.90/x
  3. Step 3: Cross multiply
    108,799.73x = 150,158.57 × 61,055.90
  4. Step 4: Simplify right side
    108,799.73x = 9,168,065,577.99
  5. Step 5: Solve for x
    x = 9,168,065,577.99/108,799.73
  6. Step 6: Final answer
    x = 84,265.52

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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.