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Finding the Fourth Proportional to 201,423.49, 301,863.06 and 76,696.45

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Solution

The fourth proportional to 201,423.49, 301,863.06 and 76,696.45 is: 114,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,423.49 : 301,863.06 = 76,696.45 : x
  2. Step 2: Convert to fraction form
    201,423.49/301,863.06 = 76,696.45/x
  3. Step 3: Cross multiply
    201,423.49x = 301,863.06 × 76,696.45
  4. Step 4: Simplify right side
    201,423.49x = 23,151,823,578.82
  5. Step 5: Solve for x
    x = 23,151,823,578.82/201,423.49
  6. Step 6: Final answer
    x = 114,941.03

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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.