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Finding the Fourth Proportional to 291,605.51, 437,467.49 and 123,126.32

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Solution

The fourth proportional to 291,605.51, 437,467.49 and 123,126.32 is: 184,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,605.51 : 437,467.49 = 123,126.32 : x
  2. Step 2: Convert to fraction form
    291,605.51/437,467.49 = 123,126.32/x
  3. Step 3: Cross multiply
    291,605.51x = 437,467.49 × 123,126.32
  4. Step 4: Simplify right side
    291,605.51x = 53,863,759,360.37
  5. Step 5: Solve for x
    x = 53,863,759,360.37/291,605.51
  6. Step 6: Final answer
    x = 184,714.48

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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.