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Finding the Fourth Proportional to 73,570.35, 110,426.81 and 69,574.35

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Solution

The fourth proportional to 73,570.35, 110,426.81 and 69,574.35 is: 104,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,570.35 : 110,426.81 = 69,574.35 : x
  2. Step 2: Convert to fraction form
    73,570.35/110,426.81 = 69,574.35/x
  3. Step 3: Cross multiply
    73,570.35x = 110,426.81 × 69,574.35
  4. Step 4: Simplify right side
    73,570.35x = 7,682,873,180.45
  5. Step 5: Solve for x
    x = 7,682,873,180.45/73,570.35
  6. Step 6: Final answer
    x = 104,428.93

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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.