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Finding the Fourth Proportional to 114,361.77, 157,816.85 and 63,374.03

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Solution

The fourth proportional to 114,361.77, 157,816.85 and 63,374.03 is: 87,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,361.77 : 157,816.85 = 63,374.03 : x
  2. Step 2: Convert to fraction form
    114,361.77/157,816.85 = 63,374.03/x
  3. Step 3: Cross multiply
    114,361.77x = 157,816.85 × 63,374.03
  4. Step 4: Simplify right side
    114,361.77x = 10,001,488,680.45
  5. Step 5: Solve for x
    x = 10,001,488,680.45/114,361.77
  6. Step 6: Final answer
    x = 87,454.83

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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.