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Finding the Fourth Proportional to 116,552.74, 160,868.25 and 74,102.98

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Solution

The fourth proportional to 116,552.74, 160,868.25 and 74,102.98 is: 102,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,552.74 : 160,868.25 = 74,102.98 : x
  2. Step 2: Convert to fraction form
    116,552.74/160,868.25 = 74,102.98/x
  3. Step 3: Cross multiply
    116,552.74x = 160,868.25 × 74,102.98
  4. Step 4: Simplify right side
    116,552.74x = 11,920,816,712.39
  5. Step 5: Solve for x
    x = 11,920,816,712.39/116,552.74
  6. Step 6: Final answer
    x = 102,278.31

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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.