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Finding the Fourth Proportional to 162,338.40, 223,881.94 and 101,914.66

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Solution

The fourth proportional to 162,338.40, 223,881.94 and 101,914.66 is: 140,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,338.40 : 223,881.94 = 101,914.66 : x
  2. Step 2: Convert to fraction form
    162,338.40/223,881.94 = 101,914.66/x
  3. Step 3: Cross multiply
    162,338.40x = 223,881.94 × 101,914.66
  4. Step 4: Simplify right side
    162,338.40x = 22,816,852,202.49
  5. Step 5: Solve for x
    x = 22,816,852,202.49/162,338.40
  6. Step 6: Final answer
    x = 140,551.17

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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.