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Finding the Fourth Proportional to 200,645.01, 300,968.09 and 50,885.40

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Solution

The fourth proportional to 200,645.01, 300,968.09 and 50,885.40 is: 76,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,645.01 : 300,968.09 = 50,885.40 : x
  2. Step 2: Convert to fraction form
    200,645.01/300,968.09 = 50,885.40/x
  3. Step 3: Cross multiply
    200,645.01x = 300,968.09 × 50,885.40
  4. Step 4: Simplify right side
    200,645.01x = 15,314,881,392.46
  5. Step 5: Solve for x
    x = 15,314,881,392.46/200,645.01
  6. Step 6: Final answer
    x = 76,328.24

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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.