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Finding the Fourth Proportional to 325,975.91, 488,961.47 and 101,335.92

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Solution

The fourth proportional to 325,975.91, 488,961.47 and 101,335.92 is: 152,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,975.91 : 488,961.47 = 101,335.92 : x
  2. Step 2: Convert to fraction form
    325,975.91/488,961.47 = 101,335.92/x
  3. Step 3: Cross multiply
    325,975.91x = 488,961.47 × 101,335.92
  4. Step 4: Simplify right side
    325,975.91x = 49,549,359,900.32
  5. Step 5: Solve for x
    x = 49,549,359,900.32/325,975.91
  6. Step 6: Final answer
    x = 152,003.14

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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.