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Finding the Fourth Proportional to 267,645, 401,623.02 and 119,901

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Solution

The fourth proportional to 267,645, 401,623.02 and 119,901 is: 179,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,645 : 401,623.02 = 119,901 : x
  2. Step 2: Convert to fraction form
    267,645/401,623.02 = 119,901/x
  3. Step 3: Cross multiply
    267,645x = 401,623.02 × 119,901
  4. Step 4: Simplify right side
    267,645x = 48,155,001,721.02
  5. Step 5: Solve for x
    x = 48,155,001,721.02/267,645
  6. Step 6: Final answer
    x = 179,921.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.