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Finding the Fourth Proportional to 114,451.63, 157,943.59 and 63,467.96

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Solution

The fourth proportional to 114,451.63, 157,943.59 and 63,467.96 is: 87,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,451.63 : 157,943.59 = 63,467.96 : x
  2. Step 2: Convert to fraction form
    114,451.63/157,943.59 = 63,467.96/x
  3. Step 3: Cross multiply
    114,451.63x = 157,943.59 × 63,467.96
  4. Step 4: Simplify right side
    114,451.63x = 10,024,356,503.99
  5. Step 5: Solve for x
    x = 10,024,356,503.99/114,451.63
  6. Step 6: Final answer
    x = 87,585.97

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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.