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Finding the Fourth Proportional to 164,685.88, 246,634.98 and 156,419.20

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Solution

The fourth proportional to 164,685.88, 246,634.98 and 156,419.20 is: 234,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,685.88 : 246,634.98 = 156,419.20 : x
  2. Step 2: Convert to fraction form
    164,685.88/246,634.98 = 156,419.20/x
  3. Step 3: Cross multiply
    164,685.88x = 246,634.98 × 156,419.20
  4. Step 4: Simplify right side
    164,685.88x = 38,578,446,263.62
  5. Step 5: Solve for x
    x = 38,578,446,263.62/164,685.88
  6. Step 6: Final answer
    x = 234,254.73

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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.