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Finding the Fourth Proportional to 95,167.85, 142,957.76 and 61,870.77

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Solution

The fourth proportional to 95,167.85, 142,957.76 and 61,870.77 is: 92,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,167.85 : 142,957.76 = 61,870.77 : x
  2. Step 2: Convert to fraction form
    95,167.85/142,957.76 = 61,870.77/x
  3. Step 3: Cross multiply
    95,167.85x = 142,957.76 × 61,870.77
  4. Step 4: Simplify right side
    95,167.85x = 8,844,906,379.32
  5. Step 5: Solve for x
    x = 8,844,906,379.32/95,167.85
  6. Step 6: Final answer
    x = 92,940.07

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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.