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Finding the Fourth Proportional to 247,389.59, 341,398.30 and 134,212.34

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Solution

The fourth proportional to 247,389.59, 341,398.30 and 134,212.34 is: 185,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,389.59 : 341,398.30 = 134,212.34 : x
  2. Step 2: Convert to fraction form
    247,389.59/341,398.30 = 134,212.34/x
  3. Step 3: Cross multiply
    247,389.59x = 341,398.30 × 134,212.34
  4. Step 4: Simplify right side
    247,389.59x = 45,819,865,484.64
  5. Step 5: Solve for x
    x = 45,819,865,484.64/247,389.59
  6. Step 6: Final answer
    x = 185,213.39

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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.