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Finding the Fourth Proportional to 214,670.01, 322,152.65 and 74,428.64

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Solution

The fourth proportional to 214,670.01, 322,152.65 and 74,428.64 is: 111,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,670.01 : 322,152.65 = 74,428.64 : x
  2. Step 2: Convert to fraction form
    214,670.01/322,152.65 = 74,428.64/x
  3. Step 3: Cross multiply
    214,670.01x = 322,152.65 × 74,428.64
  4. Step 4: Simplify right side
    214,670.01x = 23,977,381,628.99
  5. Step 5: Solve for x
    x = 23,977,381,628.99/214,670.01
  6. Step 6: Final answer
    x = 111,694.14

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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.