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Finding the Fourth Proportional to 228,004.75, 342,007.17 and 61,792.75

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Solution

The fourth proportional to 228,004.75, 342,007.17 and 61,792.75 is: 92,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,004.75 : 342,007.17 = 61,792.75 : x
  2. Step 2: Convert to fraction form
    228,004.75/342,007.17 = 61,792.75/x
  3. Step 3: Cross multiply
    228,004.75x = 342,007.17 × 61,792.75
  4. Step 4: Simplify right side
    228,004.75x = 21,133,563,554.02
  5. Step 5: Solve for x
    x = 21,133,563,554.02/228,004.75
  6. Step 6: Final answer
    x = 92,689.14

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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.