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Finding the Fourth Proportional to 118,322.37, 163,192.32 and 75,884.85

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Solution

The fourth proportional to 118,322.37, 163,192.32 and 75,884.85 is: 104,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,322.37 : 163,192.32 = 75,884.85 : x
  2. Step 2: Convert to fraction form
    118,322.37/163,192.32 = 75,884.85/x
  3. Step 3: Cross multiply
    118,322.37x = 163,192.32 × 75,884.85
  4. Step 4: Simplify right side
    118,322.37x = 12,383,824,724.35
  5. Step 5: Solve for x
    x = 12,383,824,724.35/118,322.37
  6. Step 6: Final answer
    x = 104,661.74

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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.