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Finding the Fourth Proportional to 267,172.11, 368,698.68 and 146,314.23

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Solution

The fourth proportional to 267,172.11, 368,698.68 and 146,314.23 is: 201,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,172.11 : 368,698.68 = 146,314.23 : x
  2. Step 2: Convert to fraction form
    267,172.11/368,698.68 = 146,314.23/x
  3. Step 3: Cross multiply
    267,172.11x = 368,698.68 × 146,314.23
  4. Step 4: Simplify right side
    267,172.11x = 53,945,863,466.22
  5. Step 5: Solve for x
    x = 53,945,863,466.22/267,172.11
  6. Step 6: Final answer
    x = 201,914.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.