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Finding the Fourth Proportional to 176,147.60, 264,221.40 and 162,669.20

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Solution

The fourth proportional to 176,147.60, 264,221.40 and 162,669.20 is: 244,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,147.60 : 264,221.40 = 162,669.20 : x
  2. Step 2: Convert to fraction form
    176,147.60/264,221.40 = 162,669.20/x
  3. Step 3: Cross multiply
    176,147.60x = 264,221.40 × 162,669.20
  4. Step 4: Simplify right side
    176,147.60x = 42,980,683,760.88
  5. Step 5: Solve for x
    x = 42,980,683,760.88/176,147.60
  6. Step 6: Final answer
    x = 244,003.80

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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.