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Finding the Fourth Proportional to 235,747.77, 325,394.49 and 145,179.67

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Solution

The fourth proportional to 235,747.77, 325,394.49 and 145,179.67 is: 200,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,747.77 : 325,394.49 = 145,179.67 : x
  2. Step 2: Convert to fraction form
    235,747.77/325,394.49 = 145,179.67/x
  3. Step 3: Cross multiply
    235,747.77x = 325,394.49 × 145,179.67
  4. Step 4: Simplify right side
    235,747.77x = 47,240,664,678.02
  5. Step 5: Solve for x
    x = 47,240,664,678.02/235,747.77
  6. Step 6: Final answer
    x = 200,386.48

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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.