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Finding the Fourth Proportional to 165,126.70, 247,689.60 and 46,799.07

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Solution

The fourth proportional to 165,126.70, 247,689.60 and 46,799.07 is: 70,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,126.70 : 247,689.60 = 46,799.07 : x
  2. Step 2: Convert to fraction form
    165,126.70/247,689.60 = 46,799.07/x
  3. Step 3: Cross multiply
    165,126.70x = 247,689.60 × 46,799.07
  4. Step 4: Simplify right side
    165,126.70x = 11,591,641,824.34
  5. Step 5: Solve for x
    x = 11,591,641,824.34/165,126.70
  6. Step 6: Final answer
    x = 70,198.47

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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.