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Finding the Fourth Proportional to 267,307, 368,883.66 and 148,075

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Solution

The fourth proportional to 267,307, 368,883.66 and 148,075 is: 204,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,307 : 368,883.66 = 148,075 : x
  2. Step 2: Convert to fraction form
    267,307/368,883.66 = 148,075/x
  3. Step 3: Cross multiply
    267,307x = 368,883.66 × 148,075
  4. Step 4: Simplify right side
    267,307x = 54,622,447,954.50
  5. Step 5: Solve for x
    x = 54,622,447,954.50/267,307
  6. Step 6: Final answer
    x = 204,343.50

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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.