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Finding the Fourth Proportional to 291,700.37, 437,259.87 and 123,263.10

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Solution

The fourth proportional to 291,700.37, 437,259.87 and 123,263.10 is: 184,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,700.37 : 437,259.87 = 123,263.10 : x
  2. Step 2: Convert to fraction form
    291,700.37/437,259.87 = 123,263.10/x
  3. Step 3: Cross multiply
    291,700.37x = 437,259.87 × 123,263.10
  4. Step 4: Simplify right side
    291,700.37x = 53,898,007,081.80
  5. Step 5: Solve for x
    x = 53,898,007,081.80/291,700.37
  6. Step 6: Final answer
    x = 184,771.81

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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.