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Finding the Fourth Proportional to 272,021.60, 407,254.80 and 167,045.60

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Solution

The fourth proportional to 272,021.60, 407,254.80 and 167,045.60 is: 250,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,021.60 : 407,254.80 = 167,045.60 : x
  2. Step 2: Convert to fraction form
    272,021.60/407,254.80 = 167,045.60/x
  3. Step 3: Cross multiply
    272,021.60x = 407,254.80 × 167,045.60
  4. Step 4: Simplify right side
    272,021.60x = 68,030,122,418.88
  5. Step 5: Solve for x
    x = 68,030,122,418.88/272,021.60
  6. Step 6: Final answer
    x = 250,090.88

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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.