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Finding the Fourth Proportional to 173,871.60, 260,418.60 and 134,300.40

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Solution

The fourth proportional to 173,871.60, 260,418.60 and 134,300.40 is: 201,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,871.60 : 260,418.60 = 134,300.40 : x
  2. Step 2: Convert to fraction form
    173,871.60/260,418.60 = 134,300.40/x
  3. Step 3: Cross multiply
    173,871.60x = 260,418.60 × 134,300.40
  4. Step 4: Simplify right side
    173,871.60x = 34,974,322,147.44
  5. Step 5: Solve for x
    x = 34,974,322,147.44/173,871.60
  6. Step 6: Final answer
    x = 201,150.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.