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Finding the Fourth Proportional to 96,216.80, 144,299.60 and 29,656.80

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Solution

The fourth proportional to 96,216.80, 144,299.60 and 29,656.80 is: 44,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,216.80 : 144,299.60 = 29,656.80 : x
  2. Step 2: Convert to fraction form
    96,216.80/144,299.60 = 29,656.80/x
  3. Step 3: Cross multiply
    96,216.80x = 144,299.60 × 29,656.80
  4. Step 4: Simplify right side
    96,216.80x = 4,279,464,377.28
  5. Step 5: Solve for x
    x = 4,279,464,377.28/96,216.80
  6. Step 6: Final answer
    x = 44,477.31

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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.