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Finding the Fourth Proportional to 164,004.80, 245,812.80 and 69,234.80

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Solution

The fourth proportional to 164,004.80, 245,812.80 and 69,234.80 is: 103,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,004.80 : 245,812.80 = 69,234.80 : x
  2. Step 2: Convert to fraction form
    164,004.80/245,812.80 = 69,234.80/x
  3. Step 3: Cross multiply
    164,004.80x = 245,812.80 × 69,234.80
  4. Step 4: Simplify right side
    164,004.80x = 17,018,800,045.44
  5. Step 5: Solve for x
    x = 17,018,800,045.44/164,004.80
  6. Step 6: Final answer
    x = 103,770.13

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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.