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Finding the Fourth Proportional to 237,064.60, 355,694.10 and 87,376.60

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Solution

The fourth proportional to 237,064.60, 355,694.10 and 87,376.60 is: 131,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,064.60 : 355,694.10 = 87,376.60 : x
  2. Step 2: Convert to fraction form
    237,064.60/355,694.10 = 87,376.60/x
  3. Step 3: Cross multiply
    237,064.60x = 355,694.10 × 87,376.60
  4. Step 4: Simplify right side
    237,064.60x = 31,079,341,098.06
  5. Step 5: Solve for x
    x = 31,079,341,098.06/237,064.60
  6. Step 6: Final answer
    x = 131,100.73

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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.