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Finding the Fourth Proportional to 114,221.80, 157,622.70 and 63,236.80

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Solution

The fourth proportional to 114,221.80, 157,622.70 and 63,236.80 is: 87,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,221.80 : 157,622.70 = 63,236.80 : x
  2. Step 2: Convert to fraction form
    114,221.80/157,622.70 = 63,236.80/x
  3. Step 3: Cross multiply
    114,221.80x = 157,622.70 × 63,236.80
  4. Step 4: Simplify right side
    114,221.80x = 9,967,555,155.36
  5. Step 5: Solve for x
    x = 9,967,555,155.36/114,221.80
  6. Step 6: Final answer
    x = 87,264.91

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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.