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Finding the Fourth Proportional to 169,972.02, 254,957.09 and 43,612.02

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Solution

The fourth proportional to 169,972.02, 254,957.09 and 43,612.02 is: 65,417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,972.02 : 254,957.09 = 43,612.02 : x
  2. Step 2: Convert to fraction form
    169,972.02/254,957.09 = 43,612.02/x
  3. Step 3: Cross multiply
    169,972.02x = 254,957.09 × 43,612.02
  4. Step 4: Simplify right side
    169,972.02x = 11,119,193,490.16
  5. Step 5: Solve for x
    x = 11,119,193,490.16/169,972.02
  6. Step 6: Final answer
    x = 65,417.79

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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.