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Finding the Fourth Proportional to 173,416.88, 259,853.16 and 103,257.92

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Solution

The fourth proportional to 173,416.88, 259,853.16 and 103,257.92 is: 154,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,416.88 : 259,853.16 = 103,257.92 : x
  2. Step 2: Convert to fraction form
    173,416.88/259,853.16 = 103,257.92/x
  3. Step 3: Cross multiply
    173,416.88x = 259,853.16 × 103,257.92
  4. Step 4: Simplify right side
    173,416.88x = 26,831,896,807.03
  5. Step 5: Solve for x
    x = 26,831,896,807.03/173,416.88
  6. Step 6: Final answer
    x = 154,724.83

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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.