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Finding the Fourth Proportional to 164,438.46, 246,557.81 and 64,478.90

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Solution

The fourth proportional to 164,438.46, 246,557.81 and 64,478.90 is: 96,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,438.46 : 246,557.81 = 64,478.90 : x
  2. Step 2: Convert to fraction form
    164,438.46/246,557.81 = 64,478.90/x
  3. Step 3: Cross multiply
    164,438.46x = 246,557.81 × 64,478.90
  4. Step 4: Simplify right side
    164,438.46x = 15,897,776,375.21
  5. Step 5: Solve for x
    x = 15,897,776,375.21/164,438.46
  6. Step 6: Final answer
    x = 96,679.19

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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.