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Finding the Fourth Proportional to 68,198.99, 94,117.52 and 37,984.32

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Solution

The fourth proportional to 68,198.99, 94,117.52 and 37,984.32 is: 52,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,198.99 : 94,117.52 = 37,984.32 : x
  2. Step 2: Convert to fraction form
    68,198.99/94,117.52 = 37,984.32/x
  3. Step 3: Cross multiply
    68,198.99x = 94,117.52 × 37,984.32
  4. Step 4: Simplify right side
    68,198.99x = 3,574,989,880.96
  5. Step 5: Solve for x
    x = 3,574,989,880.96/68,198.99
  6. Step 6: Final answer
    x = 52,419.98

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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.