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Finding the Fourth Proportional to 200,092.77, 300,154.94 and 66,973.52

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Solution

The fourth proportional to 200,092.77, 300,154.94 and 66,973.52 is: 100,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,092.77 : 300,154.94 = 66,973.52 : x
  2. Step 2: Convert to fraction form
    200,092.77/300,154.94 = 66,973.52/x
  3. Step 3: Cross multiply
    200,092.77x = 300,154.94 × 66,973.52
  4. Step 4: Simplify right side
    200,092.77x = 20,102,431,041.55
  5. Step 5: Solve for x
    x = 20,102,431,041.55/200,092.77
  6. Step 6: Final answer
    x = 100,465.55

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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.