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Finding the Fourth Proportional to 108,249.91, 149,387.08 and 59,855.77

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Solution

The fourth proportional to 108,249.91, 149,387.08 and 59,855.77 is: 82,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,249.91 : 149,387.08 = 59,855.77 : x
  2. Step 2: Convert to fraction form
    108,249.91/149,387.08 = 59,855.77/x
  3. Step 3: Cross multiply
    108,249.91x = 149,387.08 × 59,855.77
  4. Step 4: Simplify right side
    108,249.91x = 8,941,678,701.45
  5. Step 5: Solve for x
    x = 8,941,678,701.45/108,249.91
  6. Step 6: Final answer
    x = 82,602.18

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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.