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Finding the Fourth Proportional to 171,785.84, 237,016.01 and 111,359.03

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Solution

The fourth proportional to 171,785.84, 237,016.01 and 111,359.03 is: 153,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,785.84 : 237,016.01 = 111,359.03 : x
  2. Step 2: Convert to fraction form
    171,785.84/237,016.01 = 111,359.03/x
  3. Step 3: Cross multiply
    171,785.84x = 237,016.01 × 111,359.03
  4. Step 4: Simplify right side
    171,785.84x = 26,393,872,411.28
  5. Step 5: Solve for x
    x = 26,393,872,411.28/171,785.84
  6. Step 6: Final answer
    x = 153,644.05

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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.