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Finding the Fourth Proportional to 104,584.98, 144,328.39 and 56,838.33

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Solution

The fourth proportional to 104,584.98, 144,328.39 and 56,838.33 is: 78,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,584.98 : 144,328.39 = 56,838.33 : x
  2. Step 2: Convert to fraction form
    104,584.98/144,328.39 = 56,838.33/x
  3. Step 3: Cross multiply
    104,584.98x = 144,328.39 × 56,838.33
  4. Step 4: Simplify right side
    104,584.98x = 8,203,383,653.36
  5. Step 5: Solve for x
    x = 8,203,383,653.36/104,584.98
  6. Step 6: Final answer
    x = 78,437.49

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1.5x scale

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.