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Finding the Fourth Proportional to 114,239.71, 157,650.78 and 63,938.71

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Solution

The fourth proportional to 114,239.71, 157,650.78 and 63,938.71 is: 88,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,239.71 : 157,650.78 = 63,938.71 : x
  2. Step 2: Convert to fraction form
    114,239.71/157,650.78 = 63,938.71/x
  3. Step 3: Cross multiply
    114,239.71x = 157,650.78 × 63,938.71
  4. Step 4: Simplify right side
    114,239.71x = 10,079,987,503.69
  5. Step 5: Solve for x
    x = 10,079,987,503.69/114,239.71
  6. Step 6: Final answer
    x = 88,235.41

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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.