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Finding the Fourth Proportional to 108,038.93, 149,101.97 and 59,650.19

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Solution

The fourth proportional to 108,038.93, 149,101.97 and 59,650.19 is: 82,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,038.93 : 149,101.97 = 59,650.19 : x
  2. Step 2: Convert to fraction form
    108,038.93/149,101.97 = 59,650.19/x
  3. Step 3: Cross multiply
    108,038.93x = 149,101.97 × 59,650.19
  4. Step 4: Simplify right side
    108,038.93x = 8,893,959,796.11
  5. Step 5: Solve for x
    x = 8,893,959,796.11/108,038.93
  6. Step 6: Final answer
    x = 82,321.81

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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.