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Finding the Fourth Proportional to 94,207.88, 130,005.42 and 51,765.50

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Solution

The fourth proportional to 94,207.88, 130,005.42 and 51,765.50 is: 71,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,207.88 : 130,005.42 = 51,765.50 : x
  2. Step 2: Convert to fraction form
    94,207.88/130,005.42 = 51,765.50/x
  3. Step 3: Cross multiply
    94,207.88x = 130,005.42 × 51,765.50
  4. Step 4: Simplify right side
    94,207.88x = 6,729,795,569.01
  5. Step 5: Solve for x
    x = 6,729,795,569.01/94,207.88
  6. Step 6: Final answer
    x = 71,435.59

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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.