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Finding the Fourth Proportional to 150,655.92, 226,020.42 and 45,468.60

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Solution

The fourth proportional to 150,655.92, 226,020.42 and 45,468.60 is: 68,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,655.92 : 226,020.42 = 45,468.60 : x
  2. Step 2: Convert to fraction form
    150,655.92/226,020.42 = 45,468.60/x
  3. Step 3: Cross multiply
    150,655.92x = 226,020.42 × 45,468.60
  4. Step 4: Simplify right side
    150,655.92x = 10,276,832,068.81
  5. Step 5: Solve for x
    x = 10,276,832,068.81/150,655.92
  6. Step 6: Final answer
    x = 68,213.93

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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.