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Finding the Fourth Proportional to 216,776.52, 325,084.05 and 74,582.10

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Solution

The fourth proportional to 216,776.52, 325,084.05 and 74,582.10 is: 111,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,776.52 : 325,084.05 = 74,582.10 : x
  2. Step 2: Convert to fraction form
    216,776.52/325,084.05 = 74,582.10/x
  3. Step 3: Cross multiply
    216,776.52x = 325,084.05 × 74,582.10
  4. Step 4: Simplify right side
    216,776.52x = 24,245,451,125.51
  5. Step 5: Solve for x
    x = 24,245,451,125.51/216,776.52
  6. Step 6: Final answer
    x = 111,845.37

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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.