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Finding the Fourth Proportional to 267,386.30, 401,130.02 and 107,474.69

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Solution

The fourth proportional to 267,386.30, 401,130.02 and 107,474.69 is: 161,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,386.30 : 401,130.02 = 107,474.69 : x
  2. Step 2: Convert to fraction form
    267,386.30/401,130.02 = 107,474.69/x
  3. Step 3: Cross multiply
    267,386.30x = 401,130.02 × 107,474.69
  4. Step 4: Simplify right side
    267,386.30x = 43,111,322,006.17
  5. Step 5: Solve for x
    x = 43,111,322,006.17/267,386.30
  6. Step 6: Final answer
    x = 161,232.35

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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.