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Finding the Fourth Proportional to 179,573.72, 247,812.36 and 98,999.48

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Solution

The fourth proportional to 179,573.72, 247,812.36 and 98,999.48 is: 136,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,573.72 : 247,812.36 = 98,999.48 : x
  2. Step 2: Convert to fraction form
    179,573.72/247,812.36 = 98,999.48/x
  3. Step 3: Cross multiply
    179,573.72x = 247,812.36 × 98,999.48
  4. Step 4: Simplify right side
    179,573.72x = 24,533,294,777.57
  5. Step 5: Solve for x
    x = 24,533,294,777.57/179,573.72
  6. Step 6: Final answer
    x = 136,619.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.