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Finding the Fourth Proportional to 144,382.91, 216,611.26 and 55,612.58

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Solution

The fourth proportional to 144,382.91, 216,611.26 and 55,612.58 is: 83,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,382.91 : 216,611.26 = 55,612.58 : x
  2. Step 2: Convert to fraction form
    144,382.91/216,611.26 = 55,612.58/x
  3. Step 3: Cross multiply
    144,382.91x = 216,611.26 × 55,612.58
  4. Step 4: Simplify right side
    144,382.91x = 12,046,311,025.65
  5. Step 5: Solve for x
    x = 12,046,311,025.65/144,382.91
  6. Step 6: Final answer
    x = 83,433.08

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1.5x scale

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.