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Finding the Fourth Proportional to 266,536.61, 367,784.98 and 171,172.47

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Solution

The fourth proportional to 266,536.61, 367,784.98 and 171,172.47 is: 236,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,536.61 : 367,784.98 = 171,172.47 : x
  2. Step 2: Convert to fraction form
    266,536.61/367,784.98 = 171,172.47/x
  3. Step 3: Cross multiply
    266,536.61x = 367,784.98 × 171,172.47
  4. Step 4: Simplify right side
    266,536.61x = 62,954,662,599.64
  5. Step 5: Solve for x
    x = 62,954,662,599.64/266,536.61
  6. Step 6: Final answer
    x = 236,195.18

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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.