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Finding the Fourth Proportional to 84,951.96, 117,223.50 and 46,705.20

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Solution

The fourth proportional to 84,951.96, 117,223.50 and 46,705.20 is: 64,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,951.96 : 117,223.50 = 46,705.20 : x
  2. Step 2: Convert to fraction form
    84,951.96/117,223.50 = 46,705.20/x
  3. Step 3: Cross multiply
    84,951.96x = 117,223.50 × 46,705.20
  4. Step 4: Simplify right side
    84,951.96x = 5,474,947,012.20
  5. Step 5: Solve for x
    x = 5,474,947,012.20/84,951.96
  6. Step 6: Final answer
    x = 64,447.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.