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Finding the Fourth Proportional to 195,637.20, 293,455.80 and 95,812.80

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Solution

The fourth proportional to 195,637.20, 293,455.80 and 95,812.80 is: 143,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,637.20 : 293,455.80 = 95,812.80 : x
  2. Step 2: Convert to fraction form
    195,637.20/293,455.80 = 95,812.80/x
  3. Step 3: Cross multiply
    195,637.20x = 293,455.80 × 95,812.80
  4. Step 4: Simplify right side
    195,637.20x = 28,116,821,874.24
  5. Step 5: Solve for x
    x = 28,116,821,874.24/195,637.20
  6. Step 6: Final answer
    x = 143,719.20

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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.