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Finding the Fourth Proportional to 266,497.50, 367,731.18 and 171,133.50

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Solution

The fourth proportional to 266,497.50, 367,731.18 and 171,133.50 is: 236,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,497.50 : 367,731.18 = 171,133.50 : x
  2. Step 2: Convert to fraction form
    266,497.50/367,731.18 = 171,133.50/x
  3. Step 3: Cross multiply
    266,497.50x = 367,731.18 × 171,133.50
  4. Step 4: Simplify right side
    266,497.50x = 62,931,123,892.53
  5. Step 5: Solve for x
    x = 62,931,123,892.53/266,497.50
  6. Step 6: Final answer
    x = 236,141.52

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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.