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Finding the Fourth Proportional to 150,585.28, 225,840 and 61,863.28

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Solution

The fourth proportional to 150,585.28, 225,840 and 61,863.28 is: 92,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,585.28 : 225,840 = 61,863.28 : x
  2. Step 2: Convert to fraction form
    150,585.28/225,840 = 61,863.28/x
  3. Step 3: Cross multiply
    150,585.28x = 225,840 × 61,863.28
  4. Step 4: Simplify right side
    150,585.28x = 13,971,203,155.20
  5. Step 5: Solve for x
    x = 13,971,203,155.20/150,585.28
  6. Step 6: Final answer
    x = 92,779.34

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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.