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Finding the Fourth Proportional to 272,271.60, 407,629.80 and 167,295.60

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Solution

The fourth proportional to 272,271.60, 407,629.80 and 167,295.60 is: 250,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,271.60 : 407,629.80 = 167,295.60 : x
  2. Step 2: Convert to fraction form
    272,271.60/407,629.80 = 167,295.60/x
  3. Step 3: Cross multiply
    272,271.60x = 407,629.80 × 167,295.60
  4. Step 4: Simplify right side
    272,271.60x = 68,194,671,968.88
  5. Step 5: Solve for x
    x = 68,194,671,968.88/272,271.60
  6. Step 6: Final answer
    x = 250,465.61

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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.