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Finding the Fourth Proportional to 108,292.88, 149,439.80 and 59,891.63

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Solution

The fourth proportional to 108,292.88, 149,439.80 and 59,891.63 is: 82,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,292.88 : 149,439.80 = 59,891.63 : x
  2. Step 2: Convert to fraction form
    108,292.88/149,439.80 = 59,891.63/x
  3. Step 3: Cross multiply
    108,292.88x = 149,439.80 × 59,891.63
  4. Step 4: Simplify right side
    108,292.88x = 8,950,192,611.40
  5. Step 5: Solve for x
    x = 8,950,192,611.40/108,292.88
  6. Step 6: Final answer
    x = 82,648.02

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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.