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Finding the Fourth Proportional to 165,303.89, 247,972.23 and 65,532.95

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Solution

The fourth proportional to 165,303.89, 247,972.23 and 65,532.95 is: 98,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,303.89 : 247,972.23 = 65,532.95 : x
  2. Step 2: Convert to fraction form
    165,303.89/247,972.23 = 65,532.95/x
  3. Step 3: Cross multiply
    165,303.89x = 247,972.23 × 65,532.95
  4. Step 4: Simplify right side
    165,303.89x = 16,250,351,749.98
  5. Step 5: Solve for x
    x = 16,250,351,749.98/165,303.89
  6. Step 6: Final answer
    x = 98,305.92

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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.