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Finding the Fourth Proportional to 186,750, 280,127.43 and 62,091

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Solution

The fourth proportional to 186,750, 280,127.43 and 62,091 is: 93,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,750 : 280,127.43 = 62,091 : x
  2. Step 2: Convert to fraction form
    186,750/280,127.43 = 62,091/x
  3. Step 3: Cross multiply
    186,750x = 280,127.43 × 62,091
  4. Step 4: Simplify right side
    186,750x = 17,393,392,256.13
  5. Step 5: Solve for x
    x = 17,393,392,256.13/186,750
  6. Step 6: Final answer
    x = 93,137.31

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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.