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Finding the Fourth Proportional to 108,325.30, 149,486.13 and 59,929.05

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Solution

The fourth proportional to 108,325.30, 149,486.13 and 59,929.05 is: 82,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,325.30 : 149,486.13 = 59,929.05 : x
  2. Step 2: Convert to fraction form
    108,325.30/149,486.13 = 59,929.05/x
  3. Step 3: Cross multiply
    108,325.30x = 149,486.13 × 59,929.05
  4. Step 4: Simplify right side
    108,325.30x = 8,958,561,759.08
  5. Step 5: Solve for x
    x = 8,958,561,759.08/108,325.30
  6. Step 6: Final answer
    x = 82,700.55

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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.