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Finding the Fourth Proportional to 204,720.66, 282,516.42 and 112,843.32

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Solution

The fourth proportional to 204,720.66, 282,516.42 and 112,843.32 is: 155,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,720.66 : 282,516.42 = 112,843.32 : x
  2. Step 2: Convert to fraction form
    204,720.66/282,516.42 = 112,843.32/x
  3. Step 3: Cross multiply
    204,720.66x = 282,516.42 × 112,843.32
  4. Step 4: Simplify right side
    204,720.66x = 31,880,090,787.31
  5. Step 5: Solve for x
    x = 31,880,090,787.31/204,720.66
  6. Step 6: Final answer
    x = 155,724.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.