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Finding the Fourth Proportional to 103,063.98, 154,373.79 and 69,600.03

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Solution

The fourth proportional to 103,063.98, 154,373.79 and 69,600.03 is: 104,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,063.98 : 154,373.79 = 69,600.03 : x
  2. Step 2: Convert to fraction form
    103,063.98/154,373.79 = 69,600.03/x
  3. Step 3: Cross multiply
    103,063.98x = 154,373.79 × 69,600.03
  4. Step 4: Simplify right side
    103,063.98x = 10,744,420,415.21
  5. Step 5: Solve for x
    x = 10,744,420,415.21/103,063.98
  6. Step 6: Final answer
    x = 104,250.00

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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.