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Finding the Fourth Proportional to 114,295.20, 157,722.84 and 63,993.12

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Solution

The fourth proportional to 114,295.20, 157,722.84 and 63,993.12 is: 88,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,295.20 : 157,722.84 = 63,993.12 : x
  2. Step 2: Convert to fraction form
    114,295.20/157,722.84 = 63,993.12/x
  3. Step 3: Cross multiply
    114,295.20x = 157,722.84 × 63,993.12
  4. Step 4: Simplify right side
    114,295.20x = 10,093,176,626.86
  5. Step 5: Solve for x
    x = 10,093,176,626.86/114,295.20
  6. Step 6: Final answer
    x = 88,307.97

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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.