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Finding the Fourth Proportional to 167,264.10, 230,719.47 and 99,232.89

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Solution

The fourth proportional to 167,264.10, 230,719.47 and 99,232.89 is: 136,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,264.10 : 230,719.47 = 99,232.89 : x
  2. Step 2: Convert to fraction form
    167,264.10/230,719.47 = 99,232.89/x
  3. Step 3: Cross multiply
    167,264.10x = 230,719.47 × 99,232.89
  4. Step 4: Simplify right side
    167,264.10x = 22,894,959,787.37
  5. Step 5: Solve for x
    x = 22,894,959,787.37/167,264.10
  6. Step 6: Final answer
    x = 136,879.10

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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.