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Finding the Fourth Proportional to 108,229.37, 149,359.70 and 60,482.81

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Solution

The fourth proportional to 108,229.37, 149,359.70 and 60,482.81 is: 83,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,229.37 : 149,359.70 = 60,482.81 : x
  2. Step 2: Convert to fraction form
    108,229.37/149,359.70 = 60,482.81/x
  3. Step 3: Cross multiply
    108,229.37x = 149,359.70 × 60,482.81
  4. Step 4: Simplify right side
    108,229.37x = 9,033,694,881.36
  5. Step 5: Solve for x
    x = 9,033,694,881.36/108,229.37
  6. Step 6: Final answer
    x = 83,468.06

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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.