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Finding the Fourth Proportional to 68,456.16, 102,494.88 and 35,104.32

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Solution

The fourth proportional to 68,456.16, 102,494.88 and 35,104.32 is: 52,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,456.16 : 102,494.88 = 35,104.32 : x
  2. Step 2: Convert to fraction form
    68,456.16/102,494.88 = 35,104.32/x
  3. Step 3: Cross multiply
    68,456.16x = 102,494.88 × 35,104.32
  4. Step 4: Simplify right side
    68,456.16x = 3,598,013,065.88
  5. Step 5: Solve for x
    x = 3,598,013,065.88/68,456.16
  6. Step 6: Final answer
    x = 52,559.38

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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.