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Finding the Fourth Proportional to 207,099.76, 310,650.04 and 57,340.48

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Solution

The fourth proportional to 207,099.76, 310,650.04 and 57,340.48 is: 86,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,099.76 : 310,650.04 = 57,340.48 : x
  2. Step 2: Convert to fraction form
    207,099.76/310,650.04 = 57,340.48/x
  3. Step 3: Cross multiply
    207,099.76x = 310,650.04 × 57,340.48
  4. Step 4: Simplify right side
    207,099.76x = 17,812,822,405.62
  5. Step 5: Solve for x
    x = 17,812,822,405.62/207,099.76
  6. Step 6: Final answer
    x = 86,010.83

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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.