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Finding the Fourth Proportional to 118,308.70, 163,280.34 and 67,333.84

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Solution

The fourth proportional to 118,308.70, 163,280.34 and 67,333.84 is: 92,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308.70 : 163,280.34 = 67,333.84 : x
  2. Step 2: Convert to fraction form
    118,308.70/163,280.34 = 67,333.84/x
  3. Step 3: Cross multiply
    118,308.70x = 163,280.34 × 67,333.84
  4. Step 4: Simplify right side
    118,308.70x = 10,994,292,288.71
  5. Step 5: Solve for x
    x = 10,994,292,288.71/118,308.70
  6. Step 6: Final answer
    x = 92,928.86

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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.