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Finding the Fourth Proportional to 68,240.40, 102,166.20 and 60,464.40

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Solution

The fourth proportional to 68,240.40, 102,166.20 and 60,464.40 is: 90,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,240.40 : 102,166.20 = 60,464.40 : x
  2. Step 2: Convert to fraction form
    68,240.40/102,166.20 = 60,464.40/x
  3. Step 3: Cross multiply
    68,240.40x = 102,166.20 × 60,464.40
  4. Step 4: Simplify right side
    68,240.40x = 6,177,417,983.28
  5. Step 5: Solve for x
    x = 6,177,417,983.28/68,240.40
  6. Step 6: Final answer
    x = 90,524.35

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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.