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Finding the Fourth Proportional to 207,048.40, 310,496.16 and 73,893.04

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Solution

The fourth proportional to 207,048.40, 310,496.16 and 73,893.04 is: 110,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,048.40 : 310,496.16 = 73,893.04 : x
  2. Step 2: Convert to fraction form
    207,048.40/310,496.16 = 73,893.04/x
  3. Step 3: Cross multiply
    207,048.40x = 310,496.16 × 73,893.04
  4. Step 4: Simplify right side
    207,048.40x = 22,943,505,170.73
  5. Step 5: Solve for x
    x = 22,943,505,170.73/207,048.40
  6. Step 6: Final answer
    x = 110,812.28

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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.