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Finding the Fourth Proportional to 291,429.43, 437,203.08 and 122,950.10

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Solution

The fourth proportional to 291,429.43, 437,203.08 and 122,950.10 is: 184,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,429.43 : 437,203.08 = 122,950.10 : x
  2. Step 2: Convert to fraction form
    291,429.43/437,203.08 = 122,950.10/x
  3. Step 3: Cross multiply
    291,429.43x = 437,203.08 × 122,950.10
  4. Step 4: Simplify right side
    291,429.43x = 53,754,163,499.32
  5. Step 5: Solve for x
    x = 53,754,163,499.32/291,429.43
  6. Step 6: Final answer
    x = 184,450.02

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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.