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Finding the Fourth Proportional to 224,611.65, 336,916.10 and 56,131.11

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Solution

The fourth proportional to 224,611.65, 336,916.10 and 56,131.11 is: 84,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,611.65 : 336,916.10 = 56,131.11 : x
  2. Step 2: Convert to fraction form
    224,611.65/336,916.10 = 56,131.11/x
  3. Step 3: Cross multiply
    224,611.65x = 336,916.10 × 56,131.11
  4. Step 4: Simplify right side
    224,611.65x = 18,911,474,669.87
  5. Step 5: Solve for x
    x = 18,911,474,669.87/224,611.65
  6. Step 6: Final answer
    x = 84,196.32

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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.