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Finding the Fourth Proportional to 84,387.98, 116,466.99 and 50,847.50

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Solution

The fourth proportional to 84,387.98, 116,466.99 and 50,847.50 is: 70,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,387.98 : 116,466.99 = 50,847.50 : x
  2. Step 2: Convert to fraction form
    84,387.98/116,466.99 = 50,847.50/x
  3. Step 3: Cross multiply
    84,387.98x = 116,466.99 × 50,847.50
  4. Step 4: Simplify right side
    84,387.98x = 5,922,055,274.03
  5. Step 5: Solve for x
    x = 5,922,055,274.03/84,387.98
  6. Step 6: Final answer
    x = 70,176.53

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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.