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Finding the Fourth Proportional to 134,469.60, 201,704.40 and 92,479.20

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Solution

The fourth proportional to 134,469.60, 201,704.40 and 92,479.20 is: 138,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,469.60 : 201,704.40 = 92,479.20 : x
  2. Step 2: Convert to fraction form
    134,469.60/201,704.40 = 92,479.20/x
  3. Step 3: Cross multiply
    134,469.60x = 201,704.40 × 92,479.20
  4. Step 4: Simplify right side
    134,469.60x = 18,653,461,548.48
  5. Step 5: Solve for x
    x = 18,653,461,548.48/134,469.60
  6. Step 6: Final answer
    x = 138,718.80

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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.