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Finding the Fourth Proportional to 93,390.90, 140,122.80 and 34,232.55

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Solution

The fourth proportional to 93,390.90, 140,122.80 and 34,232.55 is: 51,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,390.90 : 140,122.80 = 34,232.55 : x
  2. Step 2: Convert to fraction form
    93,390.90/140,122.80 = 34,232.55/x
  3. Step 3: Cross multiply
    93,390.90x = 140,122.80 × 34,232.55
  4. Step 4: Simplify right side
    93,390.90x = 4,796,760,757.14
  5. Step 5: Solve for x
    x = 4,796,760,757.14/93,390.90
  6. Step 6: Final answer
    x = 51,362.19

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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.