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Finding the Fourth Proportional to 173,679.40, 260,402.30 and 68,444.20

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Solution

The fourth proportional to 173,679.40, 260,402.30 and 68,444.20 is: 102,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,679.40 : 260,402.30 = 68,444.20 : x
  2. Step 2: Convert to fraction form
    173,679.40/260,402.30 = 68,444.20/x
  3. Step 3: Cross multiply
    173,679.40x = 260,402.30 × 68,444.20
  4. Step 4: Simplify right side
    173,679.40x = 17,823,027,101.66
  5. Step 5: Solve for x
    x = 17,823,027,101.66/173,679.40
  6. Step 6: Final answer
    x = 102,620.27

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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.