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Finding the Fourth Proportional to 150,657.93, 225,988.52 and 45,477.81

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Solution

The fourth proportional to 150,657.93, 225,988.52 and 45,477.81 is: 68,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,657.93 : 225,988.52 = 45,477.81 : x
  2. Step 2: Convert to fraction form
    150,657.93/225,988.52 = 45,477.81/x
  3. Step 3: Cross multiply
    150,657.93x = 225,988.52 × 45,477.81
  4. Step 4: Simplify right side
    150,657.93x = 10,277,462,747.35
  5. Step 5: Solve for x
    x = 10,277,462,747.35/150,657.93
  6. Step 6: Final answer
    x = 68,217.20

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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.