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Finding the Fourth Proportional to 174,570.66, 261,872.91 and 69,366.06

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Solution

The fourth proportional to 174,570.66, 261,872.91 and 69,366.06 is: 104,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,570.66 : 261,872.91 = 69,366.06 : x
  2. Step 2: Convert to fraction form
    174,570.66/261,872.91 = 69,366.06/x
  3. Step 3: Cross multiply
    174,570.66x = 261,872.91 × 69,366.06
  4. Step 4: Simplify right side
    174,570.66x = 18,165,091,987.43
  5. Step 5: Solve for x
    x = 18,165,091,987.43/174,570.66
  6. Step 6: Final answer
    x = 104,055.81

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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.