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Finding the Fourth Proportional to 173,908.60, 260,474.10 and 134,337.40

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Solution

The fourth proportional to 173,908.60, 260,474.10 and 134,337.40 is: 201,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,908.60 : 260,474.10 = 134,337.40 : x
  2. Step 2: Convert to fraction form
    173,908.60/260,474.10 = 134,337.40/x
  3. Step 3: Cross multiply
    173,908.60x = 260,474.10 × 134,337.40
  4. Step 4: Simplify right side
    173,908.60x = 34,991,413,361.34
  5. Step 5: Solve for x
    x = 34,991,413,361.34/173,908.60
  6. Step 6: Final answer
    x = 201,205.77

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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.