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Finding the Fourth Proportional to 176,079.60, 264,197.16 and 71,103.60

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Solution

The fourth proportional to 176,079.60, 264,197.16 and 71,103.60 is: 106,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,079.60 : 264,197.16 = 71,103.60 : x
  2. Step 2: Convert to fraction form
    176,079.60/264,197.16 = 71,103.60/x
  3. Step 3: Cross multiply
    176,079.60x = 264,197.16 × 71,103.60
  4. Step 4: Simplify right side
    176,079.60x = 18,785,369,185.78
  5. Step 5: Solve for x
    x = 18,785,369,185.78/176,079.60
  6. Step 6: Final answer
    x = 106,686.80

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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.