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Finding the Fourth Proportional to 161,792.10, 242,797.51 and 56,611.98

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Solution

The fourth proportional to 161,792.10, 242,797.51 and 56,611.98 is: 84,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,792.10 : 242,797.51 = 56,611.98 : x
  2. Step 2: Convert to fraction form
    161,792.10/242,797.51 = 56,611.98/x
  3. Step 3: Cross multiply
    161,792.10x = 242,797.51 × 56,611.98
  4. Step 4: Simplify right side
    161,792.10x = 13,745,247,497.11
  5. Step 5: Solve for x
    x = 13,745,247,497.11/161,792.10
  6. Step 6: Final answer
    x = 84,956.23

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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.