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Finding the Fourth Proportional to 192,420.72, 288,663.48 and 59,297.04

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Solution

The fourth proportional to 192,420.72, 288,663.48 and 59,297.04 is: 88,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,420.72 : 288,663.48 = 59,297.04 : x
  2. Step 2: Convert to fraction form
    192,420.72/288,663.48 = 59,297.04/x
  3. Step 3: Cross multiply
    192,420.72x = 288,663.48 × 59,297.04
  4. Step 4: Simplify right side
    192,420.72x = 17,116,889,920.10
  5. Step 5: Solve for x
    x = 17,116,889,920.10/192,420.72
  6. Step 6: Final answer
    x = 88,955.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.