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Finding the Fourth Proportional to 195,000.68, 292,545.18 and 61,889

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Solution

The fourth proportional to 195,000.68, 292,545.18 and 61,889 is: 92,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,000.68 : 292,545.18 = 61,889 : x
  2. Step 2: Convert to fraction form
    195,000.68/292,545.18 = 61,889/x
  3. Step 3: Cross multiply
    195,000.68x = 292,545.18 × 61,889
  4. Step 4: Simplify right side
    195,000.68x = 18,105,328,645.02
  5. Step 5: Solve for x
    x = 18,105,328,645.02/195,000.68
  6. Step 6: Final answer
    x = 92,847.52

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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.