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Finding the Fourth Proportional to 94,212.94, 130,013.46 and 53,926.50

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Solution

The fourth proportional to 94,212.94, 130,013.46 and 53,926.50 is: 74,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,212.94 : 130,013.46 = 53,926.50 : x
  2. Step 2: Convert to fraction form
    94,212.94/130,013.46 = 53,926.50/x
  3. Step 3: Cross multiply
    94,212.94x = 130,013.46 × 53,926.50
  4. Step 4: Simplify right side
    94,212.94x = 7,011,170,850.69
  5. Step 5: Solve for x
    x = 7,011,170,850.69/94,212.94
  6. Step 6: Final answer
    x = 74,418.34

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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.