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Finding the Fourth Proportional to 247,597.82, 341,688.75 and 134,420.57

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Solution

The fourth proportional to 247,597.82, 341,688.75 and 134,420.57 is: 185,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,597.82 : 341,688.75 = 134,420.57 : x
  2. Step 2: Convert to fraction form
    247,597.82/341,688.75 = 134,420.57/x
  3. Step 3: Cross multiply
    247,597.82x = 341,688.75 × 134,420.57
  4. Step 4: Simplify right side
    247,597.82x = 45,929,996,537.59
  5. Step 5: Solve for x
    x = 45,929,996,537.59/247,597.82
  6. Step 6: Final answer
    x = 185,502.43

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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.