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Finding the Fourth Proportional to 164,659.19, 246,989.39 and 40,000.19

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Solution

The fourth proportional to 164,659.19, 246,989.39 and 40,000.19 is: 60,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,659.19 : 246,989.39 = 40,000.19 : x
  2. Step 2: Convert to fraction form
    164,659.19/246,989.39 = 40,000.19/x
  3. Step 3: Cross multiply
    164,659.19x = 246,989.39 × 40,000.19
  4. Step 4: Simplify right side
    164,659.19x = 9,879,621,910.51
  5. Step 5: Solve for x
    x = 9,879,621,910.51/164,659.19
  6. Step 6: Final answer
    x = 60,000.43

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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.