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Finding the Fourth Proportional to 93,338.71, 140,008.56 and 23,218.02

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Solution

The fourth proportional to 93,338.71, 140,008.56 and 23,218.02 is: 34,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,338.71 : 140,008.56 = 23,218.02 : x
  2. Step 2: Convert to fraction form
    93,338.71/140,008.56 = 23,218.02/x
  3. Step 3: Cross multiply
    93,338.71x = 140,008.56 × 23,218.02
  4. Step 4: Simplify right side
    93,338.71x = 3,250,721,546.25
  5. Step 5: Solve for x
    x = 3,250,721,546.25/93,338.71
  6. Step 6: Final answer
    x = 34,827.15

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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.