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Finding the Fourth Proportional to 171,007.70, 256,511.55 and 46,348.70

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Solution

The fourth proportional to 171,007.70, 256,511.55 and 46,348.70 is: 69,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,007.70 : 256,511.55 = 46,348.70 : x
  2. Step 2: Convert to fraction form
    171,007.70/256,511.55 = 46,348.70/x
  3. Step 3: Cross multiply
    171,007.70x = 256,511.55 × 46,348.70
  4. Step 4: Simplify right side
    171,007.70x = 11,888,976,877.49
  5. Step 5: Solve for x
    x = 11,888,976,877.49/171,007.70
  6. Step 6: Final answer
    x = 69,523.05

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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.