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Finding the Fourth Proportional to 158,476.56, 237,694.03 and 78,483.39

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Solution

The fourth proportional to 158,476.56, 237,694.03 and 78,483.39 is: 117,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,476.56 : 237,694.03 = 78,483.39 : x
  2. Step 2: Convert to fraction form
    158,476.56/237,694.03 = 78,483.39/x
  3. Step 3: Cross multiply
    158,476.56x = 237,694.03 × 78,483.39
  4. Step 4: Simplify right side
    158,476.56x = 18,655,032,169.60
  5. Step 5: Solve for x
    x = 18,655,032,169.60/158,476.56
  6. Step 6: Final answer
    x = 117,714.78

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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.