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Finding the Fourth Proportional to 74,234.61, 102,439.35 and 44,022.78

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Solution

The fourth proportional to 74,234.61, 102,439.35 and 44,022.78 is: 60,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,234.61 : 102,439.35 = 44,022.78 : x
  2. Step 2: Convert to fraction form
    74,234.61/102,439.35 = 44,022.78/x
  3. Step 3: Cross multiply
    74,234.61x = 102,439.35 × 44,022.78
  4. Step 4: Simplify right side
    74,234.61x = 4,509,664,968.39
  5. Step 5: Solve for x
    x = 4,509,664,968.39/74,234.61
  6. Step 6: Final answer
    x = 60,748.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.