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Finding the Fourth Proportional to 219,634.40, 303,095.40 and 119,032.40

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Solution

The fourth proportional to 219,634.40, 303,095.40 and 119,032.40 is: 164,264.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,634.40 : 303,095.40 = 119,032.40 : x
  2. Step 2: Convert to fraction form
    219,634.40/303,095.40 = 119,032.40/x
  3. Step 3: Cross multiply
    219,634.40x = 303,095.40 × 119,032.40
  4. Step 4: Simplify right side
    219,634.40x = 36,078,172,890.96
  5. Step 5: Solve for x
    x = 36,078,172,890.96/219,634.40
  6. Step 6: Final answer
    x = 164,264.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.