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Finding the Fourth Proportional to 268,127.92, 402,191.74 and 68,448.24

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Solution

The fourth proportional to 268,127.92, 402,191.74 and 68,448.24 is: 102,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,127.92 : 402,191.74 = 68,448.24 : x
  2. Step 2: Convert to fraction form
    268,127.92/402,191.74 = 68,448.24/x
  3. Step 3: Cross multiply
    268,127.92x = 402,191.74 × 68,448.24
  4. Step 4: Simplify right side
    268,127.92x = 27,529,316,745.54
  5. Step 5: Solve for x
    x = 27,529,316,745.54/268,127.92
  6. Step 6: Final answer
    x = 102,672.32

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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.