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Finding the Fourth Proportional to 68,334.40, 102,527.20 and 26,811.20

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Solution

The fourth proportional to 68,334.40, 102,527.20 and 26,811.20 is: 40,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334.40 : 102,527.20 = 26,811.20 : x
  2. Step 2: Convert to fraction form
    68,334.40/102,527.20 = 26,811.20/x
  3. Step 3: Cross multiply
    68,334.40x = 102,527.20 × 26,811.20
  4. Step 4: Simplify right side
    68,334.40x = 2,748,877,264.64
  5. Step 5: Solve for x
    x = 2,748,877,264.64/68,334.40
  6. Step 6: Final answer
    x = 40,226.84

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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.