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Finding the Fourth Proportional to 104,847.71, 157,158.43 and 51,477.62

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Solution

The fourth proportional to 104,847.71, 157,158.43 and 51,477.62 is: 77,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,847.71 : 157,158.43 = 51,477.62 : x
  2. Step 2: Convert to fraction form
    104,847.71/157,158.43 = 51,477.62/x
  3. Step 3: Cross multiply
    104,847.71x = 157,158.43 × 51,477.62
  4. Step 4: Simplify right side
    104,847.71x = 8,090,141,024.85
  5. Step 5: Solve for x
    x = 8,090,141,024.85/104,847.71
  6. Step 6: Final answer
    x = 77,160.88

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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.