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Finding the Fourth Proportional to 229,579.61, 344,368.87 and 61,099.88

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Solution

The fourth proportional to 229,579.61, 344,368.87 and 61,099.88 is: 91,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,579.61 : 344,368.87 = 61,099.88 : x
  2. Step 2: Convert to fraction form
    229,579.61/344,368.87 = 61,099.88/x
  3. Step 3: Cross multiply
    229,579.61x = 344,368.87 × 61,099.88
  4. Step 4: Simplify right side
    229,579.61x = 21,040,894,758.14
  5. Step 5: Solve for x
    x = 21,040,894,758.14/229,579.61
  6. Step 6: Final answer
    x = 91,649.67

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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.