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Finding the Fourth Proportional to 325,691.30, 488,583.32 and 101,071.14

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Solution

The fourth proportional to 325,691.30, 488,583.32 and 101,071.14 is: 151,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,691.30 : 488,583.32 = 101,071.14 : x
  2. Step 2: Convert to fraction form
    325,691.30/488,583.32 = 101,071.14/x
  3. Step 3: Cross multiply
    325,691.30x = 488,583.32 × 101,071.14
  4. Step 4: Simplify right side
    325,691.30x = 49,381,672,632.03
  5. Step 5: Solve for x
    x = 49,381,672,632.03/325,691.30
  6. Step 6: Final answer
    x = 151,621.10

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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.