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Finding the Fourth Proportional to 122,298.76, 183,174.22 and 106,298.76

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Solution

The fourth proportional to 122,298.76, 183,174.22 and 106,298.76 is: 159,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,298.76 : 183,174.22 = 106,298.76 : x
  2. Step 2: Convert to fraction form
    122,298.76/183,174.22 = 106,298.76/x
  3. Step 3: Cross multiply
    122,298.76x = 183,174.22 × 106,298.76
  4. Step 4: Simplify right side
    122,298.76x = 19,471,192,449.97
  5. Step 5: Solve for x
    x = 19,471,192,449.97/122,298.76
  6. Step 6: Final answer
    x = 159,210.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.