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Finding the Fourth Proportional to 265,797.54, 398,697.75 and 66,117.94

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Solution

The fourth proportional to 265,797.54, 398,697.75 and 66,117.94 is: 99,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,797.54 : 398,697.75 = 66,117.94 : x
  2. Step 2: Convert to fraction form
    265,797.54/398,697.75 = 66,117.94/x
  3. Step 3: Cross multiply
    265,797.54x = 398,697.75 × 66,117.94
  4. Step 4: Simplify right side
    265,797.54x = 26,361,072,915.89
  5. Step 5: Solve for x
    x = 26,361,072,915.89/265,797.54
  6. Step 6: Final answer
    x = 99,177.26

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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.