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Finding the Fourth Proportional to 291,954.72, 437,932.08 and 104,864.16

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Solution

The fourth proportional to 291,954.72, 437,932.08 and 104,864.16 is: 157,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,954.72 : 437,932.08 = 104,864.16 : x
  2. Step 2: Convert to fraction form
    291,954.72/437,932.08 = 104,864.16/x
  3. Step 3: Cross multiply
    291,954.72x = 437,932.08 × 104,864.16
  4. Step 4: Simplify right side
    291,954.72x = 45,923,379,706.25
  5. Step 5: Solve for x
    x = 45,923,379,706.25/291,954.72
  6. Step 6: Final answer
    x = 157,296.24

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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.