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Finding the Fourth Proportional to 78,160.44, 107,863.02 and 44,628.60

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Solution

The fourth proportional to 78,160.44, 107,863.02 and 44,628.60 is: 61,588.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,160.44 : 107,863.02 = 44,628.60 : x
  2. Step 2: Convert to fraction form
    78,160.44/107,863.02 = 44,628.60/x
  3. Step 3: Cross multiply
    78,160.44x = 107,863.02 × 44,628.60
  4. Step 4: Simplify right side
    78,160.44x = 4,813,775,574.37
  5. Step 5: Solve for x
    x = 4,813,775,574.37/78,160.44
  6. Step 6: Final answer
    x = 61,588.39

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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.