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Finding the Fourth Proportional to 165,905.40, 248,859.03 and 41,246.40

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Solution

The fourth proportional to 165,905.40, 248,859.03 and 41,246.40 is: 61,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,905.40 : 248,859.03 = 41,246.40 : x
  2. Step 2: Convert to fraction form
    165,905.40/248,859.03 = 41,246.40/x
  3. Step 3: Cross multiply
    165,905.40x = 248,859.03 × 41,246.40
  4. Step 4: Simplify right side
    165,905.40x = 10,264,539,094.99
  5. Step 5: Solve for x
    x = 10,264,539,094.99/165,905.40
  6. Step 6: Final answer
    x = 61,869.83

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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.