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Finding the Fourth Proportional to 178,153.40, 267,286.42 and 65,851.32

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Solution

The fourth proportional to 178,153.40, 267,286.42 and 65,851.32 is: 98,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,153.40 : 267,286.42 = 65,851.32 : x
  2. Step 2: Convert to fraction form
    178,153.40/267,286.42 = 65,851.32/x
  3. Step 3: Cross multiply
    178,153.40x = 267,286.42 × 65,851.32
  4. Step 4: Simplify right side
    178,153.40x = 17,601,163,575.07
  5. Step 5: Solve for x
    x = 17,601,163,575.07/178,153.40
  6. Step 6: Final answer
    x = 98,797.80

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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.