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Finding the Fourth Proportional to 371,141.64, 557,007.66 and 134,551.80

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Solution

The fourth proportional to 371,141.64, 557,007.66 and 134,551.80 is: 201,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,141.64 : 557,007.66 = 134,551.80 : x
  2. Step 2: Convert to fraction form
    371,141.64/557,007.66 = 134,551.80/x
  3. Step 3: Cross multiply
    371,141.64x = 557,007.66 × 134,551.80
  4. Step 4: Simplify right side
    371,141.64x = 74,946,383,266.79
  5. Step 5: Solve for x
    x = 74,946,383,266.79/371,141.64
  6. Step 6: Final answer
    x = 201,934.72

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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.