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Finding the Fourth Proportional to 174,719.80, 262,079.70 and 118,732.60

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Solution

The fourth proportional to 174,719.80, 262,079.70 and 118,732.60 is: 178,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,719.80 : 262,079.70 = 118,732.60 : x
  2. Step 2: Convert to fraction form
    174,719.80/262,079.70 = 118,732.60/x
  3. Step 3: Cross multiply
    174,719.80x = 262,079.70 × 118,732.60
  4. Step 4: Simplify right side
    174,719.80x = 31,117,404,188.22
  5. Step 5: Solve for x
    x = 31,117,404,188.22/174,719.80
  6. Step 6: Final answer
    x = 178,098.90

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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.