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Finding the Fourth Proportional to 133,144.92, 183,655.62 and 101,243.88

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Solution

The fourth proportional to 133,144.92, 183,655.62 and 101,243.88 is: 139,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,144.92 : 183,655.62 = 101,243.88 : x
  2. Step 2: Convert to fraction form
    133,144.92/183,655.62 = 101,243.88/x
  3. Step 3: Cross multiply
    133,144.92x = 183,655.62 × 101,243.88
  4. Step 4: Simplify right side
    133,144.92x = 18,594,007,552.61
  5. Step 5: Solve for x
    x = 18,594,007,552.61/133,144.92
  6. Step 6: Final answer
    x = 139,652.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.