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Finding the Fourth Proportional to 169,473.24, 254,211.31 and 43,113.60

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Solution

The fourth proportional to 169,473.24, 254,211.31 and 43,113.60 is: 64,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,473.24 : 254,211.31 = 43,113.60 : x
  2. Step 2: Convert to fraction form
    169,473.24/254,211.31 = 43,113.60/x
  3. Step 3: Cross multiply
    169,473.24x = 254,211.31 × 43,113.60
  4. Step 4: Simplify right side
    169,473.24x = 10,959,964,734.82
  5. Step 5: Solve for x
    x = 10,959,964,734.82/169,473.24
  6. Step 6: Final answer
    x = 64,670.77

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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.