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Finding the Fourth Proportional to 169,152.81, 233,420.83 and 92,656.61

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Solution

The fourth proportional to 169,152.81, 233,420.83 and 92,656.61 is: 127,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,152.81 : 233,420.83 = 92,656.61 : x
  2. Step 2: Convert to fraction form
    169,152.81/233,420.83 = 92,656.61/x
  3. Step 3: Cross multiply
    169,152.81x = 233,420.83 × 92,656.61
  4. Step 4: Simplify right side
    169,152.81x = 21,627,982,811.19
  5. Step 5: Solve for x
    x = 21,627,982,811.19/169,152.81
  6. Step 6: Final answer
    x = 127,860.62

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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.