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Finding the Fourth Proportional to 200,365.16, 300,466.95 and 72,244.94

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Solution

The fourth proportional to 200,365.16, 300,466.95 and 72,244.94 is: 108,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,365.16 : 300,466.95 = 72,244.94 : x
  2. Step 2: Convert to fraction form
    200,365.16/300,466.95 = 72,244.94/x
  3. Step 3: Cross multiply
    200,365.16x = 300,466.95 × 72,244.94
  4. Step 4: Simplify right side
    200,365.16x = 21,707,215,272.40
  5. Step 5: Solve for x
    x = 21,707,215,272.40/200,365.16
  6. Step 6: Final answer
    x = 108,338.28

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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.