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Finding the Fourth Proportional to 122,805.06, 168,736.55 and 97,610.82

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Solution

The fourth proportional to 122,805.06, 168,736.55 and 97,610.82 is: 134,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,805.06 : 168,736.55 = 97,610.82 : x
  2. Step 2: Convert to fraction form
    122,805.06/168,736.55 = 97,610.82/x
  3. Step 3: Cross multiply
    122,805.06x = 168,736.55 × 97,610.82
  4. Step 4: Simplify right side
    122,805.06x = 16,470,512,521.42
  5. Step 5: Solve for x
    x = 16,470,512,521.42/122,805.06
  6. Step 6: Final answer
    x = 134,119.17

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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.