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Finding the Fourth Proportional to 266,523.72, 367,767.16 and 171,159.58

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Solution

The fourth proportional to 266,523.72, 367,767.16 and 171,159.58 is: 236,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,523.72 : 367,767.16 = 171,159.58 : x
  2. Step 2: Convert to fraction form
    266,523.72/367,767.16 = 171,159.58/x
  3. Step 3: Cross multiply
    266,523.72x = 367,767.16 × 171,159.58
  4. Step 4: Simplify right side
    266,523.72x = 62,946,872,643.39
  5. Step 5: Solve for x
    x = 62,946,872,643.39/266,523.72
  6. Step 6: Final answer
    x = 236,177.38

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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.