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Finding the Fourth Proportional to 73,188.54, 101,000.25 and 39,654.54

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Solution

The fourth proportional to 73,188.54, 101,000.25 and 39,654.54 is: 54,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,188.54 : 101,000.25 = 39,654.54 : x
  2. Step 2: Convert to fraction form
    73,188.54/101,000.25 = 39,654.54/x
  3. Step 3: Cross multiply
    73,188.54x = 101,000.25 × 39,654.54
  4. Step 4: Simplify right side
    73,188.54x = 4,005,118,453.64
  5. Step 5: Solve for x
    x = 4,005,118,453.64/73,188.54
  6. Step 6: Final answer
    x = 54,723.30

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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.