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Finding the Fourth Proportional to 195,061.80, 292,600.80 and 61,938.30

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Solution

The fourth proportional to 195,061.80, 292,600.80 and 61,938.30 is: 92,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,061.80 : 292,600.80 = 61,938.30 : x
  2. Step 2: Convert to fraction form
    195,061.80/292,600.80 = 61,938.30/x
  3. Step 3: Cross multiply
    195,061.80x = 292,600.80 × 61,938.30
  4. Step 4: Simplify right side
    195,061.80x = 18,123,196,130.64
  5. Step 5: Solve for x
    x = 18,123,196,130.64/195,061.80
  6. Step 6: Final answer
    x = 92,910.02

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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.