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Finding the Fourth Proportional to 114,296.40, 157,747.72 and 68,353.04

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Solution

The fourth proportional to 114,296.40, 157,747.72 and 68,353.04 is: 94,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,296.40 : 157,747.72 = 68,353.04 : x
  2. Step 2: Convert to fraction form
    114,296.40/157,747.72 = 68,353.04/x
  3. Step 3: Cross multiply
    114,296.40x = 157,747.72 × 68,353.04
  4. Step 4: Simplify right side
    114,296.40x = 10,782,536,215.07
  5. Step 5: Solve for x
    x = 10,782,536,215.07/114,296.40
  6. Step 6: Final answer
    x = 94,338.37

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1.5x scale

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.