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Finding the Fourth Proportional to 169,420.41, 233,803.29 and 92,943.41

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Solution

The fourth proportional to 169,420.41, 233,803.29 and 92,943.41 is: 128,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,420.41 : 233,803.29 = 92,943.41 : x
  2. Step 2: Convert to fraction form
    169,420.41/233,803.29 = 92,943.41/x
  3. Step 3: Cross multiply
    169,420.41x = 233,803.29 × 92,943.41
  4. Step 4: Simplify right side
    169,420.41x = 21,730,474,577.10
  5. Step 5: Solve for x
    x = 21,730,474,577.10/169,420.41
  6. Step 6: Final answer
    x = 128,263.62

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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.