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Finding the Fourth Proportional to 108,022.72, 149,047.44 and 62,674.44

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Solution

The fourth proportional to 108,022.72, 149,047.44 and 62,674.44 is: 86,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,022.72 : 149,047.44 = 62,674.44 : x
  2. Step 2: Convert to fraction form
    108,022.72/149,047.44 = 62,674.44/x
  3. Step 3: Cross multiply
    108,022.72x = 149,047.44 × 62,674.44
  4. Step 4: Simplify right side
    108,022.72x = 9,341,464,835.43
  5. Step 5: Solve for x
    x = 9,341,464,835.43/108,022.72
  6. Step 6: Final answer
    x = 86,476.85

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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.