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Finding the Fourth Proportional to 236,104, 354,225.20 and 76,176.72

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Solution

The fourth proportional to 236,104, 354,225.20 and 76,176.72 is: 114,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,104 : 354,225.20 = 76,176.72 : x
  2. Step 2: Convert to fraction form
    236,104/354,225.20 = 76,176.72/x
  3. Step 3: Cross multiply
    236,104x = 354,225.20 × 76,176.72
  4. Step 4: Simplify right side
    236,104x = 26,983,713,877.34
  5. Step 5: Solve for x
    x = 26,983,713,877.34/236,104
  6. Step 6: Final answer
    x = 114,287.41

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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.