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Finding the Fourth Proportional to 237,014.64, 355,148.28 and 87,048

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Solution

The fourth proportional to 237,014.64, 355,148.28 and 87,048 is: 130,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,014.64 : 355,148.28 = 87,048 : x
  2. Step 2: Convert to fraction form
    237,014.64/355,148.28 = 87,048/x
  3. Step 3: Cross multiply
    237,014.64x = 355,148.28 × 87,048
  4. Step 4: Simplify right side
    237,014.64x = 30,914,947,477.44
  5. Step 5: Solve for x
    x = 30,914,947,477.44/237,014.64
  6. Step 6: Final answer
    x = 130,434.76

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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.