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Finding the Fourth Proportional to 118,249.18, 163,184.16 and 67,260.76

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Solution

The fourth proportional to 118,249.18, 163,184.16 and 67,260.76 is: 92,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,249.18 : 163,184.16 = 67,260.76 : x
  2. Step 2: Convert to fraction form
    118,249.18/163,184.16 = 67,260.76/x
  3. Step 3: Cross multiply
    118,249.18x = 163,184.16 × 67,260.76
  4. Step 4: Simplify right side
    118,249.18x = 10,975,890,621.56
  5. Step 5: Solve for x
    x = 10,975,890,621.56/118,249.18
  6. Step 6: Final answer
    x = 92,820.01

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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.