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Finding the Fourth Proportional to 188,252.55, 259,787.98 and 112,801.05

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Solution

The fourth proportional to 188,252.55, 259,787.98 and 112,801.05 is: 155,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,252.55 : 259,787.98 = 112,801.05 : x
  2. Step 2: Convert to fraction form
    188,252.55/259,787.98 = 112,801.05/x
  3. Step 3: Cross multiply
    188,252.55x = 259,787.98 × 112,801.05
  4. Step 4: Simplify right side
    188,252.55x = 29,304,356,921.38
  5. Step 5: Solve for x
    x = 29,304,356,921.38/188,252.55
  6. Step 6: Final answer
    x = 155,665.13

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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.