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Finding the Fourth Proportional to 173,265.96, 259,700.76 and 78,568.32

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Solution

The fourth proportional to 173,265.96, 259,700.76 and 78,568.32 is: 117,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,265.96 : 259,700.76 = 78,568.32 : x
  2. Step 2: Convert to fraction form
    173,265.96/259,700.76 = 78,568.32/x
  3. Step 3: Cross multiply
    173,265.96x = 259,700.76 × 78,568.32
  4. Step 4: Simplify right side
    173,265.96x = 20,404,252,415.92
  5. Step 5: Solve for x
    x = 20,404,252,415.92/173,265.96
  6. Step 6: Final answer
    x = 117,762.61

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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.