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Finding the Fourth Proportional to 114,015, 157,336.02 and 66,267.96

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Solution

The fourth proportional to 114,015, 157,336.02 and 66,267.96 is: 91,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,015 : 157,336.02 = 66,267.96 : x
  2. Step 2: Convert to fraction form
    114,015/157,336.02 = 66,267.96/x
  3. Step 3: Cross multiply
    114,015x = 157,336.02 × 66,267.96
  4. Step 4: Simplify right side
    114,015x = 10,426,337,079.92
  5. Step 5: Solve for x
    x = 10,426,337,079.92/114,015
  6. Step 6: Final answer
    x = 91,447.06

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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.