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Finding the Fourth Proportional to 247,592.56, 341,676.78 and 134,415.28

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Solution

The fourth proportional to 247,592.56, 341,676.78 and 134,415.28 is: 185,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,592.56 : 341,676.78 = 134,415.28 : x
  2. Step 2: Convert to fraction form
    247,592.56/341,676.78 = 134,415.28/x
  3. Step 3: Cross multiply
    247,592.56x = 341,676.78 × 134,415.28
  4. Step 4: Simplify right side
    247,592.56x = 45,926,580,053.20
  5. Step 5: Solve for x
    x = 45,926,580,053.20/247,592.56
  6. Step 6: Final answer
    x = 185,492.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.