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Finding the Fourth Proportional to 186,512.51, 279,851.46 and 97,744.91

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Solution

The fourth proportional to 186,512.51, 279,851.46 and 97,744.91 is: 146,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,512.51 : 279,851.46 = 97,744.91 : x
  2. Step 2: Convert to fraction form
    186,512.51/279,851.46 = 97,744.91/x
  3. Step 3: Cross multiply
    186,512.51x = 279,851.46 × 97,744.91
  4. Step 4: Simplify right side
    186,512.51x = 27,354,055,771.07
  5. Step 5: Solve for x
    x = 27,354,055,771.07/186,512.51
  6. Step 6: Final answer
    x = 146,660.70

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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.