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Finding the Fourth Proportional to 195,001.68, 292,546.68 and 61,890

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Solution

The fourth proportional to 195,001.68, 292,546.68 and 61,890 is: 92,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,001.68 : 292,546.68 = 61,890 : x
  2. Step 2: Convert to fraction form
    195,001.68/292,546.68 = 61,890/x
  3. Step 3: Cross multiply
    195,001.68x = 292,546.68 × 61,890
  4. Step 4: Simplify right side
    195,001.68x = 18,105,714,025.20
  5. Step 5: Solve for x
    x = 18,105,714,025.20/195,001.68
  6. Step 6: Final answer
    x = 92,849.02

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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.