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Finding the Fourth Proportional to 144,382.83, 216,611.16 and 55,612.50

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Solution

The fourth proportional to 144,382.83, 216,611.16 and 55,612.50 is: 83,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,382.83 : 216,611.16 = 55,612.50 : x
  2. Step 2: Convert to fraction form
    144,382.83/216,611.16 = 55,612.50/x
  3. Step 3: Cross multiply
    144,382.83x = 216,611.16 × 55,612.50
  4. Step 4: Simplify right side
    144,382.83x = 12,046,287,857.44
  5. Step 5: Solve for x
    x = 12,046,287,857.44/144,382.83
  6. Step 6: Final answer
    x = 83,432.97

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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.