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Finding the Fourth Proportional to 108,616.40, 149,896.62 and 60,885.08

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Solution

The fourth proportional to 108,616.40, 149,896.62 and 60,885.08 is: 84,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,616.40 : 149,896.62 = 60,885.08 : x
  2. Step 2: Convert to fraction form
    108,616.40/149,896.62 = 60,885.08/x
  3. Step 3: Cross multiply
    108,616.40x = 149,896.62 × 60,885.08
  4. Step 4: Simplify right side
    108,616.40x = 9,126,467,700.43
  5. Step 5: Solve for x
    x = 9,126,467,700.43/108,616.40
  6. Step 6: Final answer
    x = 84,024.77

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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.