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Finding the Fourth Proportional to 68,018.20, 101,927.70 and 60,998.20

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Solution

The fourth proportional to 68,018.20, 101,927.70 and 60,998.20 is: 91,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.20 : 101,927.70 = 60,998.20 : x
  2. Step 2: Convert to fraction form
    68,018.20/101,927.70 = 60,998.20/x
  3. Step 3: Cross multiply
    68,018.20x = 101,927.70 × 60,998.20
  4. Step 4: Simplify right side
    68,018.20x = 6,217,406,230.14
  5. Step 5: Solve for x
    x = 6,217,406,230.14/68,018.20
  6. Step 6: Final answer
    x = 91,407.98

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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.