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Finding the Fourth Proportional to 68,432.95, 102,572.76 and 44,786.01

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Solution

The fourth proportional to 68,432.95, 102,572.76 and 44,786.01 is: 67,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,432.95 : 102,572.76 = 44,786.01 : x
  2. Step 2: Convert to fraction form
    68,432.95/102,572.76 = 44,786.01/x
  3. Step 3: Cross multiply
    68,432.95x = 102,572.76 × 44,786.01
  4. Step 4: Simplify right side
    68,432.95x = 4,593,824,655.09
  5. Step 5: Solve for x
    x = 4,593,824,655.09/68,432.95
  6. Step 6: Final answer
    x = 67,128.84

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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.