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Finding the Fourth Proportional to 118,247.94, 163,152.63 and 75,863.88

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Solution

The fourth proportional to 118,247.94, 163,152.63 and 75,863.88 is: 104,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,247.94 : 163,152.63 = 75,863.88 : x
  2. Step 2: Convert to fraction form
    118,247.94/163,152.63 = 75,863.88/x
  3. Step 3: Cross multiply
    118,247.94x = 163,152.63 × 75,863.88
  4. Step 4: Simplify right side
    118,247.94x = 12,377,391,544.00
  5. Step 5: Solve for x
    x = 12,377,391,544.00/118,247.94
  6. Step 6: Final answer
    x = 104,673.21

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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.