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Finding the Fourth Proportional to 218,770.62, 301,903.59 and 118,168.62

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Solution

The fourth proportional to 218,770.62, 301,903.59 and 118,168.62 is: 163,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,770.62 : 301,903.59 = 118,168.62 : x
  2. Step 2: Convert to fraction form
    218,770.62/301,903.59 = 118,168.62/x
  3. Step 3: Cross multiply
    218,770.62x = 301,903.59 × 118,168.62
  4. Step 4: Simplify right side
    218,770.62x = 35,675,530,603.35
  5. Step 5: Solve for x
    x = 35,675,530,603.35/218,770.62
  6. Step 6: Final answer
    x = 163,072.77

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1.5x scale

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.