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Finding the Fourth Proportional to 310,062.20, 465,093.30 and 110,607.80

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Solution

The fourth proportional to 310,062.20, 465,093.30 and 110,607.80 is: 165,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,062.20 : 465,093.30 = 110,607.80 : x
  2. Step 2: Convert to fraction form
    310,062.20/465,093.30 = 110,607.80/x
  3. Step 3: Cross multiply
    310,062.20x = 465,093.30 × 110,607.80
  4. Step 4: Simplify right side
    310,062.20x = 51,442,946,707.74
  5. Step 5: Solve for x
    x = 51,442,946,707.74/310,062.20
  6. Step 6: Final answer
    x = 165,911.70

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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.