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Finding the Fourth Proportional to 173,070.40, 259,765.92 and 106,640.32

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Solution

The fourth proportional to 173,070.40, 259,765.92 and 106,640.32 is: 160,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,070.40 : 259,765.92 = 106,640.32 : x
  2. Step 2: Convert to fraction form
    173,070.40/259,765.92 = 106,640.32/x
  3. Step 3: Cross multiply
    173,070.40x = 259,765.92 × 106,640.32
  4. Step 4: Simplify right side
    173,070.40x = 27,701,520,833.89
  5. Step 5: Solve for x
    x = 27,701,520,833.89/173,070.40
  6. Step 6: Final answer
    x = 160,059.26

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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.