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Finding the Fourth Proportional to 262,700.64, 394,062.48 and 96,397.92

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Solution

The fourth proportional to 262,700.64, 394,062.48 and 96,397.92 is: 144,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,700.64 : 394,062.48 = 96,397.92 : x
  2. Step 2: Convert to fraction form
    262,700.64/394,062.48 = 96,397.92/x
  3. Step 3: Cross multiply
    262,700.64x = 394,062.48 × 96,397.92
  4. Step 4: Simplify right side
    262,700.64x = 37,986,803,422.04
  5. Step 5: Solve for x
    x = 37,986,803,422.04/262,700.64
  6. Step 6: Final answer
    x = 144,601.11

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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.