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Finding the Fourth Proportional to 164,002.80, 245,809.80 and 69,232.80

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Solution

The fourth proportional to 164,002.80, 245,809.80 and 69,232.80 is: 103,767.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,002.80 : 245,809.80 = 69,232.80 : x
  2. Step 2: Convert to fraction form
    164,002.80/245,809.80 = 69,232.80/x
  3. Step 3: Cross multiply
    164,002.80x = 245,809.80 × 69,232.80
  4. Step 4: Simplify right side
    164,002.80x = 17,018,100,721.44
  5. Step 5: Solve for x
    x = 17,018,100,721.44/164,002.80
  6. Step 6: Final answer
    x = 103,767.14

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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.