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Finding the Fourth Proportional to 173,422.50, 260,014.23 and 68,253.54

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Solution

The fourth proportional to 173,422.50, 260,014.23 and 68,253.54 is: 102,333.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,422.50 : 260,014.23 = 68,253.54 : x
  2. Step 2: Convert to fraction form
    173,422.50/260,014.23 = 68,253.54/x
  3. Step 3: Cross multiply
    173,422.50x = 260,014.23 × 68,253.54
  4. Step 4: Simplify right side
    173,422.50x = 17,746,891,647.87
  5. Step 5: Solve for x
    x = 17,746,891,647.87/173,422.50
  6. Step 6: Final answer
    x = 102,333.27

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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.