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Finding the Fourth Proportional to 108,544.78, 149,794.50 and 60,796.90

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Solution

The fourth proportional to 108,544.78, 149,794.50 and 60,796.90 is: 83,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,544.78 : 149,794.50 = 60,796.90 : x
  2. Step 2: Convert to fraction form
    108,544.78/149,794.50 = 60,796.90/x
  3. Step 3: Cross multiply
    108,544.78x = 149,794.50 × 60,796.90
  4. Step 4: Simplify right side
    108,544.78x = 9,107,041,237.05
  5. Step 5: Solve for x
    x = 9,107,041,237.05/108,544.78
  6. Step 6: Final answer
    x = 83,901.24

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1.5x scale

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.