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Finding the Fourth Proportional to 138,527.88, 207,627.72 and 63,584.88

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Solution

The fourth proportional to 138,527.88, 207,627.72 and 63,584.88 is: 95,302.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,527.88 : 207,627.72 = 63,584.88 : x
  2. Step 2: Convert to fraction form
    138,527.88/207,627.72 = 63,584.88/x
  3. Step 3: Cross multiply
    138,527.88x = 207,627.72 × 63,584.88
  4. Step 4: Simplify right side
    138,527.88x = 13,201,983,660.87
  5. Step 5: Solve for x
    x = 13,201,983,660.87/138,527.88
  6. Step 6: Final answer
    x = 95,302.00

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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.