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Finding the Fourth Proportional to 169,138.13, 233,410.72 and 92,660.01

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Solution

The fourth proportional to 169,138.13, 233,410.72 and 92,660.01 is: 127,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,138.13 : 233,410.72 = 92,660.01 : x
  2. Step 2: Convert to fraction form
    169,138.13/233,410.72 = 92,660.01/x
  3. Step 3: Cross multiply
    169,138.13x = 233,410.72 × 92,660.01
  4. Step 4: Simplify right side
    169,138.13x = 21,627,838,482.25
  5. Step 5: Solve for x
    x = 21,627,838,482.25/169,138.13
  6. Step 6: Final answer
    x = 127,870.86

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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.