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Finding the Fourth Proportional to 94,355.67, 130,212.81 and 51,914.28

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Solution

The fourth proportional to 94,355.67, 130,212.81 and 51,914.28 is: 71,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,355.67 : 130,212.81 = 51,914.28 : x
  2. Step 2: Convert to fraction form
    94,355.67/130,212.81 = 51,914.28/x
  3. Step 3: Cross multiply
    94,355.67x = 130,212.81 × 51,914.28
  4. Step 4: Simplify right side
    94,355.67x = 6,759,904,277.93
  5. Step 5: Solve for x
    x = 6,759,904,277.93/94,355.67
  6. Step 6: Final answer
    x = 71,642.80

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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.