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Finding the Fourth Proportional to 238,291.34, 328,622.67 and 161,924.94

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Solution

The fourth proportional to 238,291.34, 328,622.67 and 161,924.94 is: 223,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,291.34 : 328,622.67 = 161,924.94 : x
  2. Step 2: Convert to fraction form
    238,291.34/328,622.67 = 161,924.94/x
  3. Step 3: Cross multiply
    238,291.34x = 328,622.67 × 161,924.94
  4. Step 4: Simplify right side
    238,291.34x = 53,212,206,122.39
  5. Step 5: Solve for x
    x = 53,212,206,122.39/238,291.34
  6. Step 6: Final answer
    x = 223,307.35

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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.