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Finding the Fourth Proportional to 291,638.01, 437,442.44 and 114,177.54

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Solution

The fourth proportional to 291,638.01, 437,442.44 and 114,177.54 is: 171,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,638.01 : 437,442.44 = 114,177.54 : x
  2. Step 2: Convert to fraction form
    291,638.01/437,442.44 = 114,177.54/x
  3. Step 3: Cross multiply
    291,638.01x = 437,442.44 × 114,177.54
  4. Step 4: Simplify right side
    291,638.01x = 49,946,101,119.91
  5. Step 5: Solve for x
    x = 49,946,101,119.91/291,638.01
  6. Step 6: Final answer
    x = 171,260.60

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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.