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Finding the Fourth Proportional to 200,258.98, 300,417.62 and 60,028.54

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Solution

The fourth proportional to 200,258.98, 300,417.62 and 60,028.54 is: 90,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,258.98 : 300,417.62 = 60,028.54 : x
  2. Step 2: Convert to fraction form
    200,258.98/300,417.62 = 60,028.54/x
  3. Step 3: Cross multiply
    200,258.98x = 300,417.62 × 60,028.54
  4. Step 4: Simplify right side
    200,258.98x = 18,033,631,118.87
  5. Step 5: Solve for x
    x = 18,033,631,118.87/200,258.98
  6. Step 6: Final answer
    x = 90,051.55

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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.