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Finding the Fourth Proportional to 78,284.94, 108,025.83 and 44,289.24

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Solution

The fourth proportional to 78,284.94, 108,025.83 and 44,289.24 is: 61,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,284.94 : 108,025.83 = 44,289.24 : x
  2. Step 2: Convert to fraction form
    78,284.94/108,025.83 = 44,289.24/x
  3. Step 3: Cross multiply
    78,284.94x = 108,025.83 × 44,289.24
  4. Step 4: Simplify right side
    78,284.94x = 4,784,381,911.07
  5. Step 5: Solve for x
    x = 4,784,381,911.07/78,284.94
  6. Step 6: Final answer
    x = 61,114.97

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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.