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Finding the Fourth Proportional to 216,897.08, 325,224.92 and 67,095.68

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Solution

The fourth proportional to 216,897.08, 325,224.92 and 67,095.68 is: 100,606.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,897.08 : 325,224.92 = 67,095.68 : x
  2. Step 2: Convert to fraction form
    216,897.08/325,224.92 = 67,095.68/x
  3. Step 3: Cross multiply
    216,897.08x = 325,224.92 × 67,095.68
  4. Step 4: Simplify right side
    216,897.08x = 21,821,185,701.96
  5. Step 5: Solve for x
    x = 21,821,185,701.96/216,897.08
  6. Step 6: Final answer
    x = 100,606.18

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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.