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Finding the Fourth Proportional to 237,124.36, 355,826.94 and 87,469.84

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Solution

The fourth proportional to 237,124.36, 355,826.94 and 87,469.84 is: 131,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,124.36 : 355,826.94 = 87,469.84 : x
  2. Step 2: Convert to fraction form
    237,124.36/355,826.94 = 87,469.84/x
  3. Step 3: Cross multiply
    237,124.36x = 355,826.94 × 87,469.84
  4. Step 4: Simplify right side
    237,124.36x = 31,124,125,509.49
  5. Step 5: Solve for x
    x = 31,124,125,509.49/237,124.36
  6. Step 6: Final answer
    x = 131,256.55

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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.