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Finding the Fourth Proportional to 271,804.60, 407,706.76 and 84,816.10

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Solution

The fourth proportional to 271,804.60, 407,706.76 and 84,816.10 is: 127,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,804.60 : 407,706.76 = 84,816.10 : x
  2. Step 2: Convert to fraction form
    271,804.60/407,706.76 = 84,816.10/x
  3. Step 3: Cross multiply
    271,804.60x = 407,706.76 × 84,816.10
  4. Step 4: Simplify right side
    271,804.60x = 34,580,097,326.84
  5. Step 5: Solve for x
    x = 34,580,097,326.84/271,804.60
  6. Step 6: Final answer
    x = 127,224.11

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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.