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Finding the Fourth Proportional to 122,758.44, 168,672.50 and 97,564.20

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Solution

The fourth proportional to 122,758.44, 168,672.50 and 97,564.20 is: 134,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,758.44 : 168,672.50 = 97,564.20 : x
  2. Step 2: Convert to fraction form
    122,758.44/168,672.50 = 97,564.20/x
  3. Step 3: Cross multiply
    122,758.44x = 168,672.50 × 97,564.20
  4. Step 4: Simplify right side
    122,758.44x = 16,456,397,524.50
  5. Step 5: Solve for x
    x = 16,456,397,524.50/122,758.44
  6. Step 6: Final answer
    x = 134,055.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.