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Finding the Fourth Proportional to 150,452.40, 225,345.81 and 61,435.98

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Solution

The fourth proportional to 150,452.40, 225,345.81 and 61,435.98 is: 92,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,452.40 : 225,345.81 = 61,435.98 : x
  2. Step 2: Convert to fraction form
    150,452.40/225,345.81 = 61,435.98/x
  3. Step 3: Cross multiply
    150,452.40x = 225,345.81 × 61,435.98
  4. Step 4: Simplify right side
    150,452.40x = 13,844,340,676.24
  5. Step 5: Solve for x
    x = 13,844,340,676.24/150,452.40
  6. Step 6: Final answer
    x = 92,018.08

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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.