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Finding the Fourth Proportional to 118,173.80, 163,082.06 and 64,460.73

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Solution

The fourth proportional to 118,173.80, 163,082.06 and 64,460.73 is: 88,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,173.80 : 163,082.06 = 64,460.73 : x
  2. Step 2: Convert to fraction form
    118,173.80/163,082.06 = 64,460.73/x
  3. Step 3: Cross multiply
    118,173.80x = 163,082.06 × 64,460.73
  4. Step 4: Simplify right side
    118,173.80x = 10,512,389,168.49
  5. Step 5: Solve for x
    x = 10,512,389,168.49/118,173.80
  6. Step 6: Final answer
    x = 88,957.02

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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.