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Finding the Fourth Proportional to 266,492.90, 367,642.07 and 159,000.43

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Solution

The fourth proportional to 266,492.90, 367,642.07 and 159,000.43 is: 219,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,492.90 : 367,642.07 = 159,000.43 : x
  2. Step 2: Convert to fraction form
    266,492.90/367,642.07 = 159,000.43/x
  3. Step 3: Cross multiply
    266,492.90x = 367,642.07 × 159,000.43
  4. Step 4: Simplify right side
    266,492.90x = 58,455,247,216.09
  5. Step 5: Solve for x
    x = 58,455,247,216.09/266,492.90
  6. Step 6: Final answer
    x = 219,350.11

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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.