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Finding the Fourth Proportional to 272,289.96, 375,704.64 and 159,090.84

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Solution

The fourth proportional to 272,289.96, 375,704.64 and 159,090.84 is: 219,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,289.96 : 375,704.64 = 159,090.84 : x
  2. Step 2: Convert to fraction form
    272,289.96/375,704.64 = 159,090.84/x
  3. Step 3: Cross multiply
    272,289.96x = 375,704.64 × 159,090.84
  4. Step 4: Simplify right side
    272,289.96x = 59,771,166,769.50
  5. Step 5: Solve for x
    x = 59,771,166,769.50/272,289.96
  6. Step 6: Final answer
    x = 219,512.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.