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Finding the Fourth Proportional to 200,680.03, 301,020.05 and 50,921.11

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Solution

The fourth proportional to 200,680.03, 301,020.05 and 50,921.11 is: 76,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,680.03 : 301,020.05 = 50,921.11 : x
  2. Step 2: Convert to fraction form
    200,680.03/301,020.05 = 50,921.11/x
  3. Step 3: Cross multiply
    200,680.03x = 301,020.05 × 50,921.11
  4. Step 4: Simplify right side
    200,680.03x = 15,328,273,602.16
  5. Step 5: Solve for x
    x = 15,328,273,602.16/200,680.03
  6. Step 6: Final answer
    x = 76,381.66

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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.