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Finding the Fourth Proportional to 245,955.84, 339,468.48 and 161,041.92

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Solution

The fourth proportional to 245,955.84, 339,468.48 and 161,041.92 is: 222,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,955.84 : 339,468.48 = 161,041.92 : x
  2. Step 2: Convert to fraction form
    245,955.84/339,468.48 = 161,041.92/x
  3. Step 3: Cross multiply
    245,955.84x = 339,468.48 × 161,041.92
  4. Step 4: Simplify right side
    245,955.84x = 54,668,655,798.68
  5. Step 5: Solve for x
    x = 54,668,655,798.68/245,955.84
  6. Step 6: Final answer
    x = 222,270.21

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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.