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Finding the Fourth Proportional to 216,594.33, 324,822.40 and 74,405.32

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Solution

The fourth proportional to 216,594.33, 324,822.40 and 74,405.32 is: 111,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,594.33 : 324,822.40 = 74,405.32 : x
  2. Step 2: Convert to fraction form
    216,594.33/324,822.40 = 74,405.32/x
  3. Step 3: Cross multiply
    216,594.33x = 324,822.40 × 74,405.32
  4. Step 4: Simplify right side
    216,594.33x = 24,168,514,894.19
  5. Step 5: Solve for x
    x = 24,168,514,894.19/216,594.33
  6. Step 6: Final answer
    x = 111,584.25

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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.