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Finding the Fourth Proportional to 93,698.48, 140,422.92 and 34,479.36

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Solution

The fourth proportional to 93,698.48, 140,422.92 and 34,479.36 is: 51,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,698.48 : 140,422.92 = 34,479.36 : x
  2. Step 2: Convert to fraction form
    93,698.48/140,422.92 = 34,479.36/x
  3. Step 3: Cross multiply
    93,698.48x = 140,422.92 × 34,479.36
  4. Step 4: Simplify right side
    93,698.48x = 4,841,692,410.93
  5. Step 5: Solve for x
    x = 4,841,692,410.93/93,698.48
  6. Step 6: Final answer
    x = 51,673.12

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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.