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Finding the Fourth Proportional to 183,005.48, 274,587.12 and 70,764.72

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Solution

The fourth proportional to 183,005.48, 274,587.12 and 70,764.72 is: 106,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,005.48 : 274,587.12 = 70,764.72 : x
  2. Step 2: Convert to fraction form
    183,005.48/274,587.12 = 70,764.72/x
  3. Step 3: Cross multiply
    183,005.48x = 274,587.12 × 70,764.72
  4. Step 4: Simplify right side
    183,005.48x = 19,431,080,662.41
  5. Step 5: Solve for x
    x = 19,431,080,662.41/183,005.48
  6. Step 6: Final answer
    x = 106,177.59

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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.