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Finding the Fourth Proportional to 108,331.84, 149,491.68 and 59,930.88

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Solution

The fourth proportional to 108,331.84, 149,491.68 and 59,930.88 is: 82,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,331.84 : 149,491.68 = 59,930.88 : x
  2. Step 2: Convert to fraction form
    108,331.84/149,491.68 = 59,930.88/x
  3. Step 3: Cross multiply
    108,331.84x = 149,491.68 × 59,930.88
  4. Step 4: Simplify right side
    108,331.84x = 8,959,167,935.08
  5. Step 5: Solve for x
    x = 8,959,167,935.08/108,331.84
  6. Step 6: Final answer
    x = 82,701.15

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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.