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Finding the Fourth Proportional to 174,748.40, 261,539.40 and 122,260.40

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Solution

The fourth proportional to 174,748.40, 261,539.40 and 122,260.40 is: 182,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,748.40 : 261,539.40 = 122,260.40 : x
  2. Step 2: Convert to fraction form
    174,748.40/261,539.40 = 122,260.40/x
  3. Step 3: Cross multiply
    174,748.40x = 261,539.40 × 122,260.40
  4. Step 4: Simplify right side
    174,748.40x = 31,975,911,659.76
  5. Step 5: Solve for x
    x = 31,975,911,659.76/174,748.40
  6. Step 6: Final answer
    x = 182,982.57

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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.