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Finding the Fourth Proportional to 169,984.84, 255,007.74 and 70,089.48

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Solution

The fourth proportional to 169,984.84, 255,007.74 and 70,089.48 is: 105,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,984.84 : 255,007.74 = 70,089.48 : x
  2. Step 2: Convert to fraction form
    169,984.84/255,007.74 = 70,089.48/x
  3. Step 3: Cross multiply
    169,984.84x = 255,007.74 × 70,089.48
  4. Step 4: Simplify right side
    169,984.84x = 17,873,359,892.58
  5. Step 5: Solve for x
    x = 17,873,359,892.58/169,984.84
  6. Step 6: Final answer
    x = 105,146.79

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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.