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Finding the Fourth Proportional to 216,810.16, 325,234.68 and 59,039.44

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Solution

The fourth proportional to 216,810.16, 325,234.68 and 59,039.44 is: 88,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,810.16 : 325,234.68 = 59,039.44 : x
  2. Step 2: Convert to fraction form
    216,810.16/325,234.68 = 59,039.44/x
  3. Step 3: Cross multiply
    216,810.16x = 325,234.68 × 59,039.44
  4. Step 4: Simplify right side
    216,810.16x = 19,201,673,375.78
  5. Step 5: Solve for x
    x = 19,201,673,375.78/216,810.16
  6. Step 6: Final answer
    x = 88,564.45

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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.