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Finding the Fourth Proportional to 291,704.16, 437,556.24 and 94,712.16

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Solution

The fourth proportional to 291,704.16, 437,556.24 and 94,712.16 is: 142,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,704.16 : 437,556.24 = 94,712.16 : x
  2. Step 2: Convert to fraction form
    291,704.16/437,556.24 = 94,712.16/x
  3. Step 3: Cross multiply
    291,704.16x = 437,556.24 × 94,712.16
  4. Step 4: Simplify right side
    291,704.16x = 41,441,896,611.88
  5. Step 5: Solve for x
    x = 41,441,896,611.88/291,704.16
  6. Step 6: Final answer
    x = 142,068.24

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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.