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Finding the Fourth Proportional to 150,670.08, 225,858.24 and 71,763.12

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Solution

The fourth proportional to 150,670.08, 225,858.24 and 71,763.12 is: 107,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,670.08 : 225,858.24 = 71,763.12 : x
  2. Step 2: Convert to fraction form
    150,670.08/225,858.24 = 71,763.12/x
  3. Step 3: Cross multiply
    150,670.08x = 225,858.24 × 71,763.12
  4. Step 4: Simplify right side
    150,670.08x = 16,208,291,980.11
  5. Step 5: Solve for x
    x = 16,208,291,980.11/150,670.08
  6. Step 6: Final answer
    x = 107,574.72

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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.