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Finding the Fourth Proportional to 227,084.56, 313,386.32 and 126,482.56

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Solution

The fourth proportional to 227,084.56, 313,386.32 and 126,482.56 is: 174,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,084.56 : 313,386.32 = 126,482.56 : x
  2. Step 2: Convert to fraction form
    227,084.56/313,386.32 = 126,482.56/x
  3. Step 3: Cross multiply
    227,084.56x = 313,386.32 × 126,482.56
  4. Step 4: Simplify right side
    227,084.56x = 39,637,904,022.58
  5. Step 5: Solve for x
    x = 39,637,904,022.58/227,084.56
  6. Step 6: Final answer
    x = 174,551.30

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Why These Related Problems?

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