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Finding the Fourth Proportional to 237,125.36, 355,828.44 and 87,470.84

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Solution

The fourth proportional to 237,125.36, 355,828.44 and 87,470.84 is: 131,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,125.36 : 355,828.44 = 87,470.84 : x
  2. Step 2: Convert to fraction form
    237,125.36/355,828.44 = 87,470.84/x
  3. Step 3: Cross multiply
    237,125.36x = 355,828.44 × 87,470.84
  4. Step 4: Simplify right side
    237,125.36x = 31,124,612,542.69
  5. Step 5: Solve for x
    x = 31,124,612,542.69/237,125.36
  6. Step 6: Final answer
    x = 131,258.05

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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.