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Finding the Fourth Proportional to 200,364.41, 300,465.83 and 72,244.19

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Solution

The fourth proportional to 200,364.41, 300,465.83 and 72,244.19 is: 108,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,364.41 : 300,465.83 = 72,244.19 : x
  2. Step 2: Convert to fraction form
    200,364.41/300,465.83 = 72,244.19/x
  3. Step 3: Cross multiply
    200,364.41x = 300,465.83 × 72,244.19
  4. Step 4: Simplify right side
    200,364.41x = 21,706,908,647.48
  5. Step 5: Solve for x
    x = 21,706,908,647.48/200,364.41
  6. Step 6: Final answer
    x = 108,337.15

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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.