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Finding the Fourth Proportional to 325,762.88, 488,746.36 and 98,067.52

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Solution

The fourth proportional to 325,762.88, 488,746.36 and 98,067.52 is: 147,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,762.88 : 488,746.36 = 98,067.52 : x
  2. Step 2: Convert to fraction form
    325,762.88/488,746.36 = 98,067.52/x
  3. Step 3: Cross multiply
    325,762.88x = 488,746.36 × 98,067.52
  4. Step 4: Simplify right side
    325,762.88x = 47,930,143,434.23
  5. Step 5: Solve for x
    x = 47,930,143,434.23/325,762.88
  6. Step 6: Final answer
    x = 147,132.00

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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.