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Finding the Fourth Proportional to 150,688.92, 226,069.92 and 45,501.60

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Solution

The fourth proportional to 150,688.92, 226,069.92 and 45,501.60 is: 68,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,688.92 : 226,069.92 = 45,501.60 : x
  2. Step 2: Convert to fraction form
    150,688.92/226,069.92 = 45,501.60/x
  3. Step 3: Cross multiply
    150,688.92x = 226,069.92 × 45,501.60
  4. Step 4: Simplify right side
    150,688.92x = 10,286,543,071.87
  5. Step 5: Solve for x
    x = 10,286,543,071.87/150,688.92
  6. Step 6: Final answer
    x = 68,263.43

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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.