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Finding the Fourth Proportional to 186,760, 280,142.48 and 62,101.04

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Solution

The fourth proportional to 186,760, 280,142.48 and 62,101.04 is: 93,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,760 : 280,142.48 = 62,101.04 : x
  2. Step 2: Convert to fraction form
    186,760/280,142.48 = 62,101.04/x
  3. Step 3: Cross multiply
    186,760x = 280,142.48 × 62,101.04
  4. Step 4: Simplify right side
    186,760x = 17,397,139,356.18
  5. Step 5: Solve for x
    x = 17,397,139,356.18/186,760
  6. Step 6: Final answer
    x = 93,152.38

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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.