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Finding the Fourth Proportional to 98,247.44, 147,388.98 and 56,174.96

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Solution

The fourth proportional to 98,247.44, 147,388.98 and 56,174.96 is: 84,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,247.44 : 147,388.98 = 56,174.96 : x
  2. Step 2: Convert to fraction form
    98,247.44/147,388.98 = 56,174.96/x
  3. Step 3: Cross multiply
    98,247.44x = 147,388.98 × 56,174.96
  4. Step 4: Simplify right side
    98,247.44x = 8,279,570,055.94
  5. Step 5: Solve for x
    x = 8,279,570,055.94/98,247.44
  6. Step 6: Final answer
    x = 84,272.63

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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.