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Finding the Fourth Proportional to 216,845.08, 325,080.50 and 104,370.50

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Solution

The fourth proportional to 216,845.08, 325,080.50 and 104,370.50 is: 156,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,845.08 : 325,080.50 = 104,370.50 : x
  2. Step 2: Convert to fraction form
    216,845.08/325,080.50 = 104,370.50/x
  3. Step 3: Cross multiply
    216,845.08x = 325,080.50 × 104,370.50
  4. Step 4: Simplify right side
    216,845.08x = 33,928,814,325.25
  5. Step 5: Solve for x
    x = 33,928,814,325.25/216,845.08
  6. Step 6: Final answer
    x = 156,465.69

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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.