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Finding the Fourth Proportional to 79,866.36, 119,833.56 and 29,970.36

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Solution

The fourth proportional to 79,866.36, 119,833.56 and 29,970.36 is: 44,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,866.36 : 119,833.56 = 29,970.36 : x
  2. Step 2: Convert to fraction form
    79,866.36/119,833.56 = 29,970.36/x
  3. Step 3: Cross multiply
    79,866.36x = 119,833.56 × 29,970.36
  4. Step 4: Simplify right side
    79,866.36x = 3,591,454,933.28
  5. Step 5: Solve for x
    x = 3,591,454,933.28/79,866.36
  6. Step 6: Final answer
    x = 44,968.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.