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Finding the Fourth Proportional to 114,938.70, 172,305.45 and 44,801.70

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Solution

The fourth proportional to 114,938.70, 172,305.45 and 44,801.70 is: 67,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,938.70 : 172,305.45 = 44,801.70 : x
  2. Step 2: Convert to fraction form
    114,938.70/172,305.45 = 44,801.70/x
  3. Step 3: Cross multiply
    114,938.70x = 172,305.45 × 44,801.70
  4. Step 4: Simplify right side
    114,938.70x = 7,719,577,079.27
  5. Step 5: Solve for x
    x = 7,719,577,079.27/114,938.70
  6. Step 6: Final answer
    x = 67,162.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.