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Finding the Fourth Proportional to 223,759.76, 335,639.88 and 157,495.64

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Solution

The fourth proportional to 223,759.76, 335,639.88 and 157,495.64 is: 236,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,759.76 : 335,639.88 = 157,495.64 : x
  2. Step 2: Convert to fraction form
    223,759.76/335,639.88 = 157,495.64/x
  3. Step 3: Cross multiply
    223,759.76x = 335,639.88 × 157,495.64
  4. Step 4: Simplify right side
    223,759.76x = 52,861,817,710.12
  5. Step 5: Solve for x
    x = 52,861,817,710.12/223,759.76
  6. Step 6: Final answer
    x = 236,243.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.