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Finding the Fourth Proportional to 118,635.94, 163,701.41 and 70,879.14

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Solution

The fourth proportional to 118,635.94, 163,701.41 and 70,879.14 is: 97,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,635.94 : 163,701.41 = 70,879.14 : x
  2. Step 2: Convert to fraction form
    118,635.94/163,701.41 = 70,879.14/x
  3. Step 3: Cross multiply
    118,635.94x = 163,701.41 × 70,879.14
  4. Step 4: Simplify right side
    118,635.94x = 11,603,015,157.59
  5. Step 5: Solve for x
    x = 11,603,015,157.59/118,635.94
  6. Step 6: Final answer
    x = 97,803.54

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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.