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Finding the Fourth Proportional to 247,194.39, 370,367.80 and 165,989.20

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Solution

The fourth proportional to 247,194.39, 370,367.80 and 165,989.20 is: 248,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,194.39 : 370,367.80 = 165,989.20 : x
  2. Step 2: Convert to fraction form
    247,194.39/370,367.80 = 165,989.20/x
  3. Step 3: Cross multiply
    247,194.39x = 370,367.80 × 165,989.20
  4. Step 4: Simplify right side
    247,194.39x = 61,477,054,827.76
  5. Step 5: Solve for x
    x = 61,477,054,827.76/247,194.39
  6. Step 6: Final answer
    x = 248,699.23

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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.