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Finding the Fourth Proportional to 200,140.82, 275,038.41 and 190,889.30

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Solution

The fourth proportional to 200,140.82, 275,038.41 and 190,889.30 is: 262,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,140.82 : 275,038.41 = 190,889.30 : x
  2. Step 2: Convert to fraction form
    200,140.82/275,038.41 = 190,889.30/x
  3. Step 3: Cross multiply
    200,140.82x = 275,038.41 × 190,889.30
  4. Step 4: Simplify right side
    200,140.82x = 52,501,888,603.57
  5. Step 5: Solve for x
    x = 52,501,888,603.57/200,140.82
  6. Step 6: Final answer
    x = 262,324.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.