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Finding the Fourth Proportional to 114,022.76, 157,337.78 and 63,028.62

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Solution

The fourth proportional to 114,022.76, 157,337.78 and 63,028.62 is: 86,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,022.76 : 157,337.78 = 63,028.62 : x
  2. Step 2: Convert to fraction form
    114,022.76/157,337.78 = 63,028.62/x
  3. Step 3: Cross multiply
    114,022.76x = 157,337.78 × 63,028.62
  4. Step 4: Simplify right side
    114,022.76x = 9,916,782,832.12
  5. Step 5: Solve for x
    x = 9,916,782,832.12/114,022.76
  6. Step 6: Final answer
    x = 86,971.96

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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.