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Finding the Fourth Proportional to 311,341.59, 429,661.94 and 184,126.23

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Solution

The fourth proportional to 311,341.59, 429,661.94 and 184,126.23 is: 254,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,341.59 : 429,661.94 = 184,126.23 : x
  2. Step 2: Convert to fraction form
    311,341.59/429,661.94 = 184,126.23/x
  3. Step 3: Cross multiply
    311,341.59x = 429,661.94 × 184,126.23
  4. Step 4: Simplify right side
    311,341.59x = 79,112,032,266.06
  5. Step 5: Solve for x
    x = 79,112,032,266.06/311,341.59
  6. Step 6: Final answer
    x = 254,100.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.