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Finding the Fourth Proportional to 164,640.60, 246,960.90 and 46,315.80

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Solution

The fourth proportional to 164,640.60, 246,960.90 and 46,315.80 is: 69,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,640.60 : 246,960.90 = 46,315.80 : x
  2. Step 2: Convert to fraction form
    164,640.60/246,960.90 = 46,315.80/x
  3. Step 3: Cross multiply
    164,640.60x = 246,960.90 × 46,315.80
  4. Step 4: Simplify right side
    164,640.60x = 11,438,191,652.22
  5. Step 5: Solve for x
    x = 11,438,191,652.22/164,640.60
  6. Step 6: Final answer
    x = 69,473.70

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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.