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Finding the Fourth Proportional to 114,635.15, 157,936.27 and 88,704.53

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Solution

The fourth proportional to 114,635.15, 157,936.27 and 88,704.53 is: 122,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,635.15 : 157,936.27 = 88,704.53 : x
  2. Step 2: Convert to fraction form
    114,635.15/157,936.27 = 88,704.53/x
  3. Step 3: Cross multiply
    114,635.15x = 157,936.27 × 88,704.53
  4. Step 4: Simplify right side
    114,635.15x = 14,009,662,600.30
  5. Step 5: Solve for x
    x = 14,009,662,600.30/114,635.15
  6. Step 6: Final answer
    x = 122,210.89

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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.