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Finding the Fourth Proportional to 266,442.64, 367,853.74 and 173,397.02

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Solution

The fourth proportional to 266,442.64, 367,853.74 and 173,397.02 is: 239,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,442.64 : 367,853.74 = 173,397.02 : x
  2. Step 2: Convert to fraction form
    266,442.64/367,853.74 = 173,397.02/x
  3. Step 3: Cross multiply
    266,442.64x = 367,853.74 × 173,397.02
  4. Step 4: Simplify right side
    266,442.64x = 63,784,743,231.49
  5. Step 5: Solve for x
    x = 63,784,743,231.49/266,442.64
  6. Step 6: Final answer
    x = 239,393.91

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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.