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Finding the Fourth Proportional to 82,060.80, 123,041.96 and 37,631.89

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Solution

The fourth proportional to 82,060.80, 123,041.96 and 37,631.89 is: 56,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,060.80 : 123,041.96 = 37,631.89 : x
  2. Step 2: Convert to fraction form
    82,060.80/123,041.96 = 37,631.89/x
  3. Step 3: Cross multiply
    82,060.80x = 123,041.96 × 37,631.89
  4. Step 4: Simplify right side
    82,060.80x = 4,630,301,504.10
  5. Step 5: Solve for x
    x = 4,630,301,504.10/82,060.80
  6. Step 6: Final answer
    x = 56,425.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.