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Finding the Fourth Proportional to 265,729.50, 366,721.29 and 152,559.54

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Solution

The fourth proportional to 265,729.50, 366,721.29 and 152,559.54 is: 210,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,729.50 : 366,721.29 = 152,559.54 : x
  2. Step 2: Convert to fraction form
    265,729.50/366,721.29 = 152,559.54/x
  3. Step 3: Cross multiply
    265,729.50x = 366,721.29 × 152,559.54
  4. Step 4: Simplify right side
    265,729.50x = 55,946,831,310.61
  5. Step 5: Solve for x
    x = 55,946,831,310.61/265,729.50
  6. Step 6: Final answer
    x = 210,540.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.