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Finding the Fourth Proportional to 94,347.88, 130,200.07 and 51,905.50

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Solution

The fourth proportional to 94,347.88, 130,200.07 and 51,905.50 is: 71,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,347.88 : 130,200.07 = 51,905.50 : x
  2. Step 2: Convert to fraction form
    94,347.88/130,200.07 = 51,905.50/x
  3. Step 3: Cross multiply
    94,347.88x = 130,200.07 × 51,905.50
  4. Step 4: Simplify right side
    94,347.88x = 6,758,099,733.39
  5. Step 5: Solve for x
    x = 6,758,099,733.39/94,347.88
  6. Step 6: Final answer
    x = 71,629.59

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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.