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Finding the Fourth Proportional to 325,760.88, 488,743.36 and 98,065.52

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Solution

The fourth proportional to 325,760.88, 488,743.36 and 98,065.52 is: 147,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,760.88 : 488,743.36 = 98,065.52 : x
  2. Step 2: Convert to fraction form
    325,760.88/488,743.36 = 98,065.52/x
  3. Step 3: Cross multiply
    325,760.88x = 488,743.36 × 98,065.52
  4. Step 4: Simplify right side
    325,760.88x = 47,928,871,744.95
  5. Step 5: Solve for x
    x = 47,928,871,744.95/325,760.88
  6. Step 6: Final answer
    x = 147,129.00

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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.