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Finding the Fourth Proportional to 265,370.52, 397,816.63 and 96,772.54

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Solution

The fourth proportional to 265,370.52, 397,816.63 and 96,772.54 is: 145,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,370.52 : 397,816.63 = 96,772.54 : x
  2. Step 2: Convert to fraction form
    265,370.52/397,816.63 = 96,772.54/x
  3. Step 3: Cross multiply
    265,370.52x = 397,816.63 × 96,772.54
  4. Step 4: Simplify right side
    265,370.52x = 38,497,725,739.34
  5. Step 5: Solve for x
    x = 38,497,725,739.34/265,370.52
  6. Step 6: Final answer
    x = 145,071.60

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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.