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Finding the Fourth Proportional to 213,861.92, 295,125.88 and 118,366.57

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Solution

The fourth proportional to 213,861.92, 295,125.88 and 118,366.57 is: 163,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,861.92 : 295,125.88 = 118,366.57 : x
  2. Step 2: Convert to fraction form
    213,861.92/295,125.88 = 118,366.57/x
  3. Step 3: Cross multiply
    213,861.92x = 295,125.88 × 118,366.57
  4. Step 4: Simplify right side
    213,861.92x = 34,933,036,066.37
  5. Step 5: Solve for x
    x = 34,933,036,066.37/213,861.92
  6. Step 6: Final answer
    x = 163,343.88

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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.