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Finding the Fourth Proportional to 156,792.71, 235,028.10 and 61,984.37

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Solution

The fourth proportional to 156,792.71, 235,028.10 and 61,984.37 is: 92,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,792.71 : 235,028.10 = 61,984.37 : x
  2. Step 2: Convert to fraction form
    156,792.71/235,028.10 = 61,984.37/x
  3. Step 3: Cross multiply
    156,792.71x = 235,028.10 × 61,984.37
  4. Step 4: Simplify right side
    156,792.71x = 14,568,068,710.80
  5. Step 5: Solve for x
    x = 14,568,068,710.80/156,792.71
  6. Step 6: Final answer
    x = 92,912.92

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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.