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Finding the Fourth Proportional to 267,207.30, 401,070.15 and 134,237.70

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Solution

The fourth proportional to 267,207.30, 401,070.15 and 134,237.70 is: 201,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,207.30 : 401,070.15 = 134,237.70 : x
  2. Step 2: Convert to fraction form
    267,207.30/401,070.15 = 134,237.70/x
  3. Step 3: Cross multiply
    267,207.30x = 401,070.15 × 134,237.70
  4. Step 4: Simplify right side
    267,207.30x = 53,838,734,474.66
  5. Step 5: Solve for x
    x = 53,838,734,474.66/267,207.30
  6. Step 6: Final answer
    x = 201,486.77

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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.