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Finding the Fourth Proportional to 267,658.60, 401,027.10 and 141,111.40

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Solution

The fourth proportional to 267,658.60, 401,027.10 and 141,111.40 is: 211,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,658.60 : 401,027.10 = 141,111.40 : x
  2. Step 2: Convert to fraction form
    267,658.60/401,027.10 = 141,111.40/x
  3. Step 3: Cross multiply
    267,658.60x = 401,027.10 × 141,111.40
  4. Step 4: Simplify right side
    267,658.60x = 56,589,495,518.94
  5. Step 5: Solve for x
    x = 56,589,495,518.94/267,658.60
  6. Step 6: Final answer
    x = 211,424.16

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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.