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Finding the Fourth Proportional to 93,388.65, 140,084.21 and 29,344.71

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Solution

The fourth proportional to 93,388.65, 140,084.21 and 29,344.71 is: 44,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,388.65 : 140,084.21 = 29,344.71 : x
  2. Step 2: Convert to fraction form
    93,388.65/140,084.21 = 29,344.71/x
  3. Step 3: Cross multiply
    93,388.65x = 140,084.21 × 29,344.71
  4. Step 4: Simplify right side
    93,388.65x = 4,110,730,518.03
  5. Step 5: Solve for x
    x = 4,110,730,518.03/93,388.65
  6. Step 6: Final answer
    x = 44,017.45

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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.