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Finding the Fourth Proportional to 116,232, 174,348 and 28,680

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Solution

The fourth proportional to 116,232, 174,348 and 28,680 is: 43,020

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,232 : 174,348 = 28,680 : x
  2. Step 2: Convert to fraction form
    116,232/174,348 = 28,680/x
  3. Step 3: Cross multiply
    116,232x = 174,348 × 28,680
  4. Step 4: Simplify right side
    116,232x = 5,000,300,640
  5. Step 5: Solve for x
    x = 5,000,300,640/116,232
  6. Step 6: Final answer
    x = 43,020

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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.