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Finding the Fourth Proportional to 93,568.42, 140,101.13 and 71,275.60

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Solution

The fourth proportional to 93,568.42, 140,101.13 and 71,275.60 is: 106,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,568.42 : 140,101.13 = 71,275.60 : x
  2. Step 2: Convert to fraction form
    93,568.42/140,101.13 = 71,275.60/x
  3. Step 3: Cross multiply
    93,568.42x = 140,101.13 × 71,275.60
  4. Step 4: Simplify right side
    93,568.42x = 9,985,792,053.82
  5. Step 5: Solve for x
    x = 9,985,792,053.82/93,568.42
  6. Step 6: Final answer
    x = 106,721.82

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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.