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Finding the Fourth Proportional to 118,797, 163,935.06 and 71,076.60

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Solution

The fourth proportional to 118,797, 163,935.06 and 71,076.60 is: 98,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,797 : 163,935.06 = 71,076.60 : x
  2. Step 2: Convert to fraction form
    118,797/163,935.06 = 71,076.60/x
  3. Step 3: Cross multiply
    118,797x = 163,935.06 × 71,076.60
  4. Step 4: Simplify right side
    118,797x = 11,651,946,685.60
  5. Step 5: Solve for x
    x = 11,651,946,685.60/118,797
  6. Step 6: Final answer
    x = 98,082.84

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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.