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Finding the Fourth Proportional to 114,297.75, 157,735.76 and 66,543.39

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Solution

The fourth proportional to 114,297.75, 157,735.76 and 66,543.39 is: 91,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,297.75 : 157,735.76 = 66,543.39 : x
  2. Step 2: Convert to fraction form
    114,297.75/157,735.76 = 66,543.39/x
  3. Step 3: Cross multiply
    114,297.75x = 157,735.76 × 66,543.39
  4. Step 4: Simplify right side
    114,297.75x = 10,496,271,861.91
  5. Step 5: Solve for x
    x = 10,496,271,861.91/114,297.75
  6. Step 6: Final answer
    x = 91,832.71

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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.