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Finding the Fourth Proportional to 114,927.80, 172,391.70 and 36,041.90

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Solution

The fourth proportional to 114,927.80, 172,391.70 and 36,041.90 is: 54,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,927.80 : 172,391.70 = 36,041.90 : x
  2. Step 2: Convert to fraction form
    114,927.80/172,391.70 = 36,041.90/x
  3. Step 3: Cross multiply
    114,927.80x = 172,391.70 × 36,041.90
  4. Step 4: Simplify right side
    114,927.80x = 6,213,324,412.23
  5. Step 5: Solve for x
    x = 6,213,324,412.23/114,927.80
  6. Step 6: Final answer
    x = 54,062.85

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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.