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Finding the Fourth Proportional to 341,998.22, 513,006.15 and 162,041.42

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Solution

The fourth proportional to 341,998.22, 513,006.15 and 162,041.42 is: 243,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,998.22 : 513,006.15 = 162,041.42 : x
  2. Step 2: Convert to fraction form
    341,998.22/513,006.15 = 162,041.42/x
  3. Step 3: Cross multiply
    341,998.22x = 513,006.15 × 162,041.42
  4. Step 4: Simplify right side
    341,998.22x = 83,128,245,014.73
  5. Step 5: Solve for x
    x = 83,128,245,014.73/341,998.22
  6. Step 6: Final answer
    x = 243,066.31

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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.