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Finding the Fourth Proportional to 137,365.73, 206,078.19 and 42,594.00

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Solution

The fourth proportional to 137,365.73, 206,078.19 and 42,594.00 is: 63,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,365.73 : 206,078.19 = 42,594.00 : x
  2. Step 2: Convert to fraction form
    137,365.73/206,078.19 = 42,594.00/x
  3. Step 3: Cross multiply
    137,365.73x = 206,078.19 × 42,594.00
  4. Step 4: Simplify right side
    137,365.73x = 8,777,695,172.22
  5. Step 5: Solve for x
    x = 8,777,695,172.22/137,365.73
  6. Step 6: Final answer
    x = 63,900.18

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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.