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Finding the Fourth Proportional to 93,374.18, 140,061.19 and 34,214.48

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Solution

The fourth proportional to 93,374.18, 140,061.19 and 34,214.48 is: 51,321.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,374.18 : 140,061.19 = 34,214.48 : x
  2. Step 2: Convert to fraction form
    93,374.18/140,061.19 = 34,214.48/x
  3. Step 3: Cross multiply
    93,374.18x = 140,061.19 × 34,214.48
  4. Step 4: Simplify right side
    93,374.18x = 4,792,120,784.03
  5. Step 5: Solve for x
    x = 4,792,120,784.03/93,374.18
  6. Step 6: Final answer
    x = 51,321.69

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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.