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Finding the Fourth Proportional to 291,630.06, 437,506.11 and 123,150.87

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Solution

The fourth proportional to 291,630.06, 437,506.11 and 123,150.87 is: 184,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,630.06 : 437,506.11 = 123,150.87 : x
  2. Step 2: Convert to fraction form
    291,630.06/437,506.11 = 123,150.87/x
  3. Step 3: Cross multiply
    291,630.06x = 437,506.11 × 123,150.87
  4. Step 4: Simplify right side
    291,630.06x = 53,879,258,076.82
  5. Step 5: Solve for x
    x = 53,879,258,076.82/291,630.06
  6. Step 6: Final answer
    x = 184,752.07

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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.