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Finding the Fourth Proportional to 202,958.45, 304,431.40 and 96,419.10

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Solution

The fourth proportional to 202,958.45, 304,431.40 and 96,419.10 is: 144,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,958.45 : 304,431.40 = 96,419.10 : x
  2. Step 2: Convert to fraction form
    202,958.45/304,431.40 = 96,419.10/x
  3. Step 3: Cross multiply
    202,958.45x = 304,431.40 × 96,419.10
  4. Step 4: Simplify right side
    202,958.45x = 29,353,001,599.74
  5. Step 5: Solve for x
    x = 29,353,001,599.74/202,958.45
  6. Step 6: Final answer
    x = 144,625.67

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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.