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Finding the Fourth Proportional to 145,447.92, 218,102.54 and 50,666.45

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Solution

The fourth proportional to 145,447.92, 218,102.54 and 50,666.45 is: 75,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,447.92 : 218,102.54 = 50,666.45 : x
  2. Step 2: Convert to fraction form
    145,447.92/218,102.54 = 50,666.45/x
  3. Step 3: Cross multiply
    145,447.92x = 218,102.54 × 50,666.45
  4. Step 4: Simplify right side
    145,447.92x = 11,050,480,093.94
  5. Step 5: Solve for x
    x = 11,050,480,093.94/145,447.92
  6. Step 6: Final answer
    x = 75,975.51

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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.