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Finding the Fourth Proportional to 169,859.97, 254,678.31 and 94,987.89

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Solution

The fourth proportional to 169,859.97, 254,678.31 and 94,987.89 is: 142,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,859.97 : 254,678.31 = 94,987.89 : x
  2. Step 2: Convert to fraction form
    169,859.97/254,678.31 = 94,987.89/x
  3. Step 3: Cross multiply
    169,859.97x = 254,678.31 × 94,987.89
  4. Step 4: Simplify right side
    169,859.97x = 24,191,355,295.67
  5. Step 5: Solve for x
    x = 24,191,355,295.67/169,859.97
  6. Step 6: Final answer
    x = 142,419.40

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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.