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Finding the Fourth Proportional to 92,846.64, 139,227.36 and 50,740.88

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Solution

The fourth proportional to 92,846.64, 139,227.36 and 50,740.88 is: 76,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,846.64 : 139,227.36 = 50,740.88 : x
  2. Step 2: Convert to fraction form
    92,846.64/139,227.36 = 50,740.88/x
  3. Step 3: Cross multiply
    92,846.64x = 139,227.36 × 50,740.88
  4. Step 4: Simplify right side
    92,846.64x = 7,064,518,766.48
  5. Step 5: Solve for x
    x = 7,064,518,766.48/92,846.64
  6. Step 6: Final answer
    x = 76,088.04

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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.