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Finding the Fourth Proportional to 99,994.14, 149,991.22 and 69,026.22

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Solution

The fourth proportional to 99,994.14, 149,991.22 and 69,026.22 is: 103,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,994.14 : 149,991.22 = 69,026.22 : x
  2. Step 2: Convert to fraction form
    99,994.14/149,991.22 = 69,026.22/x
  3. Step 3: Cross multiply
    99,994.14x = 149,991.22 × 69,026.22
  4. Step 4: Simplify right side
    99,994.14x = 10,353,326,949.79
  5. Step 5: Solve for x
    x = 10,353,326,949.79/99,994.14
  6. Step 6: Final answer
    x = 103,539.34

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1.5x scale

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.