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Finding the Fourth Proportional to 173,108.10, 259,662.15 and 108,210.90

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Solution

The fourth proportional to 173,108.10, 259,662.15 and 108,210.90 is: 162,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,108.10 : 259,662.15 = 108,210.90 : x
  2. Step 2: Convert to fraction form
    173,108.10/259,662.15 = 108,210.90/x
  3. Step 3: Cross multiply
    173,108.10x = 259,662.15 × 108,210.90
  4. Step 4: Simplify right side
    173,108.10x = 28,098,274,947.44
  5. Step 5: Solve for x
    x = 28,098,274,947.44/173,108.10
  6. Step 6: Final answer
    x = 162,316.35

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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.