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Finding the Fourth Proportional to 68,099.40, 101,954.70 and 60,323.40

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Solution

The fourth proportional to 68,099.40, 101,954.70 and 60,323.40 is: 90,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,099.40 : 101,954.70 = 60,323.40 : x
  2. Step 2: Convert to fraction form
    68,099.40/101,954.70 = 60,323.40/x
  3. Step 3: Cross multiply
    68,099.40x = 101,954.70 × 60,323.40
  4. Step 4: Simplify right side
    68,099.40x = 6,150,254,149.98
  5. Step 5: Solve for x
    x = 6,150,254,149.98/68,099.40
  6. Step 6: Final answer
    x = 90,312.90

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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.