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Finding the Fourth Proportional to 114,239.12, 157,650.18 and 63,938.12

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Solution

The fourth proportional to 114,239.12, 157,650.18 and 63,938.12 is: 88,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,239.12 : 157,650.18 = 63,938.12 : x
  2. Step 2: Convert to fraction form
    114,239.12/157,650.18 = 63,938.12/x
  3. Step 3: Cross multiply
    114,239.12x = 157,650.18 × 63,938.12
  4. Step 4: Simplify right side
    114,239.12x = 10,079,856,126.86
  5. Step 5: Solve for x
    x = 10,079,856,126.86/114,239.12
  6. Step 6: Final answer
    x = 88,234.71

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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.