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Finding the Fourth Proportional to 175,179.44, 262,965.72 and 70,071.68

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Solution

The fourth proportional to 175,179.44, 262,965.72 and 70,071.68 is: 105,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,179.44 : 262,965.72 = 70,071.68 : x
  2. Step 2: Convert to fraction form
    175,179.44/262,965.72 = 70,071.68/x
  3. Step 3: Cross multiply
    175,179.44x = 262,965.72 × 70,071.68
  4. Step 4: Simplify right side
    175,179.44x = 18,426,449,782.81
  5. Step 5: Solve for x
    x = 18,426,449,782.81/175,179.44
  6. Step 6: Final answer
    x = 105,186.14

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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.