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Finding the Fourth Proportional to 265,481.84, 398,260.20 and 99,254

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Solution

The fourth proportional to 265,481.84, 398,260.20 and 99,254 is: 148,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,481.84 : 398,260.20 = 99,254 : x
  2. Step 2: Convert to fraction form
    265,481.84/398,260.20 = 99,254/x
  3. Step 3: Cross multiply
    265,481.84x = 398,260.20 × 99,254
  4. Step 4: Simplify right side
    265,481.84x = 39,528,917,890.80
  5. Step 5: Solve for x
    x = 39,528,917,890.80/265,481.84
  6. Step 6: Final answer
    x = 148,895.00

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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.