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Finding the Fourth Proportional to 137,016.99, 205,546.05 and 48,254.85

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Solution

The fourth proportional to 137,016.99, 205,546.05 and 48,254.85 is: 72,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,016.99 : 205,546.05 = 48,254.85 : x
  2. Step 2: Convert to fraction form
    137,016.99/205,546.05 = 48,254.85/x
  3. Step 3: Cross multiply
    137,016.99x = 205,546.05 × 48,254.85
  4. Step 4: Simplify right side
    137,016.99x = 9,918,593,810.84
  5. Step 5: Solve for x
    x = 9,918,593,810.84/137,016.99
  6. Step 6: Final answer
    x = 72,389.52

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1.5x scale

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.