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Finding the Fourth Proportional to 171,056.80, 256,585.20 and 44,696.80

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Solution

The fourth proportional to 171,056.80, 256,585.20 and 44,696.80 is: 67,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,056.80 : 256,585.20 = 44,696.80 : x
  2. Step 2: Convert to fraction form
    171,056.80/256,585.20 = 44,696.80/x
  3. Step 3: Cross multiply
    171,056.80x = 256,585.20 × 44,696.80
  4. Step 4: Simplify right side
    171,056.80x = 11,468,537,367.36
  5. Step 5: Solve for x
    x = 11,468,537,367.36/171,056.80
  6. Step 6: Final answer
    x = 67,045.20

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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.