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Finding the Fourth Proportional to 169,040.52, 233,238.96 and 101,047.32

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Solution

The fourth proportional to 169,040.52, 233,238.96 and 101,047.32 is: 139,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,040.52 : 233,238.96 = 101,047.32 : x
  2. Step 2: Convert to fraction form
    169,040.52/233,238.96 = 101,047.32/x
  3. Step 3: Cross multiply
    169,040.52x = 233,238.96 × 101,047.32
  4. Step 4: Simplify right side
    169,040.52x = 23,568,171,827.59
  5. Step 5: Solve for x
    x = 23,568,171,827.59/169,040.52
  6. Step 6: Final answer
    x = 139,423.21

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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.