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Finding the Fourth Proportional to 267,484.95, 401,134.38 and 107,513.39

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Solution

The fourth proportional to 267,484.95, 401,134.38 and 107,513.39 is: 161,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,484.95 : 401,134.38 = 107,513.39 : x
  2. Step 2: Convert to fraction form
    267,484.95/401,134.38 = 107,513.39/x
  3. Step 3: Cross multiply
    267,484.95x = 401,134.38 × 107,513.39
  4. Step 4: Simplify right side
    267,484.95x = 43,127,317,639.01
  5. Step 5: Solve for x
    x = 43,127,317,639.01/267,484.95
  6. Step 6: Final answer
    x = 161,232.69

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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.