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Finding the Fourth Proportional to 325,670.80, 488,575.86 and 101,026.36

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Solution

The fourth proportional to 325,670.80, 488,575.86 and 101,026.36 is: 151,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,670.80 : 488,575.86 = 101,026.36 : x
  2. Step 2: Convert to fraction form
    325,670.80/488,575.86 = 101,026.36/x
  3. Step 3: Cross multiply
    325,670.80x = 488,575.86 × 101,026.36
  4. Step 4: Simplify right side
    325,670.80x = 49,359,040,719.67
  5. Step 5: Solve for x
    x = 49,359,040,719.67/325,670.80
  6. Step 6: Final answer
    x = 151,561.15

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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.