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Finding the Fourth Proportional to 91,754, 126,622.44 and 52,010

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Solution

The fourth proportional to 91,754, 126,622.44 and 52,010 is: 71,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,754 : 126,622.44 = 52,010 : x
  2. Step 2: Convert to fraction form
    91,754/126,622.44 = 52,010/x
  3. Step 3: Cross multiply
    91,754x = 126,622.44 × 52,010
  4. Step 4: Simplify right side
    91,754x = 6,585,633,104.40
  5. Step 5: Solve for x
    x = 6,585,633,104.40/91,754
  6. Step 6: Final answer
    x = 71,774.89

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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.