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Finding the Fourth Proportional to 150,615.93, 225,925.52 and 45,435.81

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Solution

The fourth proportional to 150,615.93, 225,925.52 and 45,435.81 is: 68,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,615.93 : 225,925.52 = 45,435.81 : x
  2. Step 2: Convert to fraction form
    150,615.93/225,925.52 = 45,435.81/x
  3. Step 3: Cross multiply
    150,615.93x = 225,925.52 × 45,435.81
  4. Step 4: Simplify right side
    150,615.93x = 10,265,108,773.69
  5. Step 5: Solve for x
    x = 10,265,108,773.69/150,615.93
  6. Step 6: Final answer
    x = 68,154.20

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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.