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Finding the Fourth Proportional to 169,362.60, 254,044.01 and 43,012.32

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Solution

The fourth proportional to 169,362.60, 254,044.01 and 43,012.32 is: 64,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,362.60 : 254,044.01 = 43,012.32 : x
  2. Step 2: Convert to fraction form
    169,362.60/254,044.01 = 43,012.32/x
  3. Step 3: Cross multiply
    169,362.60x = 254,044.01 × 43,012.32
  4. Step 4: Simplify right side
    169,362.60x = 10,927,022,252.20
  5. Step 5: Solve for x
    x = 10,927,022,252.20/169,362.60
  6. Step 6: Final answer
    x = 64,518.51

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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.