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Finding the Fourth Proportional to 267,253.26, 368,840.55 and 154,080.06

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Solution

The fourth proportional to 267,253.26, 368,840.55 and 154,080.06 is: 212,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,253.26 : 368,840.55 = 154,080.06 : x
  2. Step 2: Convert to fraction form
    267,253.26/368,840.55 = 154,080.06/x
  3. Step 3: Cross multiply
    267,253.26x = 368,840.55 × 154,080.06
  4. Step 4: Simplify right side
    267,253.26x = 56,830,974,074.43
  5. Step 5: Solve for x
    x = 56,830,974,074.43/267,253.26
  6. Step 6: Final answer
    x = 212,648.38

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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.