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Finding the Fourth Proportional to 218,373.48, 301,362.11 and 118,924.78

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Solution

The fourth proportional to 218,373.48, 301,362.11 and 118,924.78 is: 164,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,373.48 : 301,362.11 = 118,924.78 : x
  2. Step 2: Convert to fraction form
    218,373.48/301,362.11 = 118,924.78/x
  3. Step 3: Cross multiply
    218,373.48x = 301,362.11 × 118,924.78
  4. Step 4: Simplify right side
    218,373.48x = 35,839,423,385.49
  5. Step 5: Solve for x
    x = 35,839,423,385.49/218,373.48
  6. Step 6: Final answer
    x = 164,119.85

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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.