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Finding the Fourth Proportional to 93,224.36, 139,790.76 and 39,908.82

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Solution

The fourth proportional to 93,224.36, 139,790.76 and 39,908.82 is: 59,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,224.36 : 139,790.76 = 39,908.82 : x
  2. Step 2: Convert to fraction form
    93,224.36/139,790.76 = 39,908.82/x
  3. Step 3: Cross multiply
    93,224.36x = 139,790.76 × 39,908.82
  4. Step 4: Simplify right side
    93,224.36x = 5,578,884,278.50
  5. Step 5: Solve for x
    x = 5,578,884,278.50/93,224.36
  6. Step 6: Final answer
    x = 59,843.63

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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.