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Finding the Fourth Proportional to 173,402.10, 259,659.27 and 120,020.27

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Solution

The fourth proportional to 173,402.10, 259,659.27 and 120,020.27 is: 179,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,402.10 : 259,659.27 = 120,020.27 : x
  2. Step 2: Convert to fraction form
    173,402.10/259,659.27 = 120,020.27/x
  3. Step 3: Cross multiply
    173,402.10x = 259,659.27 × 120,020.27
  4. Step 4: Simplify right side
    173,402.10x = 31,164,374,395.11
  5. Step 5: Solve for x
    x = 31,164,374,395.11/173,402.10
  6. Step 6: Final answer
    x = 179,723.17

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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.