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Finding the Fourth Proportional to 68,407.80, 102,526.04 and 36,740.04

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Solution

The fourth proportional to 68,407.80, 102,526.04 and 36,740.04 is: 55,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,407.80 : 102,526.04 = 36,740.04 : x
  2. Step 2: Convert to fraction form
    68,407.80/102,526.04 = 36,740.04/x
  3. Step 3: Cross multiply
    68,407.80x = 102,526.04 × 36,740.04
  4. Step 4: Simplify right side
    68,407.80x = 3,766,810,626.94
  5. Step 5: Solve for x
    x = 3,766,810,626.94/68,407.80
  6. Step 6: Final answer
    x = 55,064.05

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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.