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Finding the Fourth Proportional to 223,366.34, 308,246.24 and 127,873.76

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Solution

The fourth proportional to 223,366.34, 308,246.24 and 127,873.76 is: 176,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,366.34 : 308,246.24 = 127,873.76 : x
  2. Step 2: Convert to fraction form
    223,366.34/308,246.24 = 127,873.76/x
  3. Step 3: Cross multiply
    223,366.34x = 308,246.24 × 127,873.76
  4. Step 4: Simplify right side
    223,366.34x = 39,416,604,493.12
  5. Step 5: Solve for x
    x = 39,416,604,493.12/223,366.34
  6. Step 6: Final answer
    x = 176,466.18

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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.