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Finding the Fourth Proportional to 196,607.79, 271,314.92 and 110,567.87

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Solution

The fourth proportional to 196,607.79, 271,314.92 and 110,567.87 is: 152,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,607.79 : 271,314.92 = 110,567.87 : x
  2. Step 2: Convert to fraction form
    196,607.79/271,314.92 = 110,567.87/x
  3. Step 3: Cross multiply
    196,607.79x = 271,314.92 × 110,567.87
  4. Step 4: Simplify right side
    196,607.79x = 29,998,712,118.95
  5. Step 5: Solve for x
    x = 29,998,712,118.95/196,607.79
  6. Step 6: Final answer
    x = 152,581.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.