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Finding the Fourth Proportional to 85,295.76, 117,676.44 and 49,465.68

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Solution

The fourth proportional to 85,295.76, 117,676.44 and 49,465.68 is: 68,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,295.76 : 117,676.44 = 49,465.68 : x
  2. Step 2: Convert to fraction form
    85,295.76/117,676.44 = 49,465.68/x
  3. Step 3: Cross multiply
    85,295.76x = 117,676.44 × 49,465.68
  4. Step 4: Simplify right side
    85,295.76x = 5,820,945,124.58
  5. Step 5: Solve for x
    x = 5,820,945,124.58/85,295.76
  6. Step 6: Final answer
    x = 68,244.25

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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.