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Finding the Fourth Proportional to 224,611.15, 336,915.35 and 56,130.61

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Solution

The fourth proportional to 224,611.15, 336,915.35 and 56,130.61 is: 84,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,611.15 : 336,915.35 = 56,130.61 : x
  2. Step 2: Convert to fraction form
    224,611.15/336,915.35 = 56,130.61/x
  3. Step 3: Cross multiply
    224,611.15x = 336,915.35 × 56,130.61
  4. Step 4: Simplify right side
    224,611.15x = 18,911,264,113.86
  5. Step 5: Solve for x
    x = 18,911,264,113.86/224,611.15
  6. Step 6: Final answer
    x = 84,195.57

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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.