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Finding the Fourth Proportional to 170,243.62, 255,355.71 and 65,073.22

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Solution

The fourth proportional to 170,243.62, 255,355.71 and 65,073.22 is: 97,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,243.62 : 255,355.71 = 65,073.22 : x
  2. Step 2: Convert to fraction form
    170,243.62/255,355.71 = 65,073.22/x
  3. Step 3: Cross multiply
    170,243.62x = 255,355.71 × 65,073.22
  4. Step 4: Simplify right side
    170,243.62x = 16,616,818,295.09
  5. Step 5: Solve for x
    x = 16,616,818,295.09/170,243.62
  6. Step 6: Final answer
    x = 97,606.11

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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.