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Finding the Fourth Proportional to 105,294.70, 157,950.34 and 35,174.26

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Solution

The fourth proportional to 105,294.70, 157,950.34 and 35,174.26 is: 52,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,294.70 : 157,950.34 = 35,174.26 : x
  2. Step 2: Convert to fraction form
    105,294.70/157,950.34 = 35,174.26/x
  3. Step 3: Cross multiply
    105,294.70x = 157,950.34 × 35,174.26
  4. Step 4: Simplify right side
    105,294.70x = 5,555,786,326.25
  5. Step 5: Solve for x
    x = 5,555,786,326.25/105,294.70
  6. Step 6: Final answer
    x = 52,764.16

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1.5x scale

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.