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Finding the Fourth Proportional to 325,707.67, 488,607.88 and 101,087.52

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Solution

The fourth proportional to 325,707.67, 488,607.88 and 101,087.52 is: 151,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,707.67 : 488,607.88 = 101,087.52 : x
  2. Step 2: Convert to fraction form
    325,707.67/488,607.88 = 101,087.52/x
  3. Step 3: Cross multiply
    325,707.67x = 488,607.88 × 101,087.52
  4. Step 4: Simplify right side
    325,707.67x = 49,392,158,841.66
  5. Step 5: Solve for x
    x = 49,392,158,841.66/325,707.67
  6. Step 6: Final answer
    x = 151,645.67

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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.