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Finding the Fourth Proportional to 153,737.37, 230,497.14 and 68,301.30

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Solution

The fourth proportional to 153,737.37, 230,497.14 and 68,301.30 is: 102,403.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,737.37 : 230,497.14 = 68,301.30 : x
  2. Step 2: Convert to fraction form
    153,737.37/230,497.14 = 68,301.30/x
  3. Step 3: Cross multiply
    153,737.37x = 230,497.14 × 68,301.30
  4. Step 4: Simplify right side
    153,737.37x = 15,743,254,308.28
  5. Step 5: Solve for x
    x = 15,743,254,308.28/153,737.37
  6. Step 6: Final answer
    x = 102,403.56

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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.