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Finding the Fourth Proportional to 114,477.28, 157,956.24 and 63,487.96

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Solution

The fourth proportional to 114,477.28, 157,956.24 and 63,487.96 is: 87,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,477.28 : 157,956.24 = 63,487.96 : x
  2. Step 2: Convert to fraction form
    114,477.28/157,956.24 = 63,487.96/x
  3. Step 3: Cross multiply
    114,477.28x = 157,956.24 × 63,487.96
  4. Step 4: Simplify right side
    114,477.28x = 10,028,319,446.87
  5. Step 5: Solve for x
    x = 10,028,319,446.87/114,477.28
  6. Step 6: Final answer
    x = 87,600.96

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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.