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Finding the Fourth Proportional to 169,126, 233,401.31 and 93,674.50

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Solution

The fourth proportional to 169,126, 233,401.31 and 93,674.50 is: 129,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,126 : 233,401.31 = 93,674.50 : x
  2. Step 2: Convert to fraction form
    169,126/233,401.31 = 93,674.50/x
  3. Step 3: Cross multiply
    169,126x = 233,401.31 × 93,674.50
  4. Step 4: Simplify right side
    169,126x = 21,863,751,013.60
  5. Step 5: Solve for x
    x = 21,863,751,013.60/169,126
  6. Step 6: Final answer
    x = 129,274.93

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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.