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Finding the Fourth Proportional to 171,002.70, 256,503.78 and 46,343.70

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Solution

The fourth proportional to 171,002.70, 256,503.78 and 46,343.70 is: 69,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,002.70 : 256,503.78 = 46,343.70 : x
  2. Step 2: Convert to fraction form
    171,002.70/256,503.78 = 46,343.70/x
  3. Step 3: Cross multiply
    171,002.70x = 256,503.78 × 46,343.70
  4. Step 4: Simplify right side
    171,002.70x = 11,887,334,229.19
  5. Step 5: Solve for x
    x = 11,887,334,229.19/171,002.70
  6. Step 6: Final answer
    x = 69,515.48

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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.