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Finding the Fourth Proportional to 93,879.75, 129,564.90 and 53,599.26

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Solution

The fourth proportional to 93,879.75, 129,564.90 and 53,599.26 is: 73,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,879.75 : 129,564.90 = 53,599.26 : x
  2. Step 2: Convert to fraction form
    93,879.75/129,564.90 = 53,599.26/x
  3. Step 3: Cross multiply
    93,879.75x = 129,564.90 × 53,599.26
  4. Step 4: Simplify right side
    93,879.75x = 6,944,582,761.97
  5. Step 5: Solve for x
    x = 6,944,582,761.97/93,879.75
  6. Step 6: Final answer
    x = 73,973.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.