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Finding the Fourth Proportional to 121,144, 181,722.48 and 38,044.48

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Solution

The fourth proportional to 121,144, 181,722.48 and 38,044.48 is: 57,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,144 : 181,722.48 = 38,044.48 : x
  2. Step 2: Convert to fraction form
    121,144/181,722.48 = 38,044.48/x
  3. Step 3: Cross multiply
    121,144x = 181,722.48 × 38,044.48
  4. Step 4: Simplify right side
    121,144x = 6,913,537,255.91
  5. Step 5: Solve for x
    x = 6,913,537,255.91/121,144
  6. Step 6: Final answer
    x = 57,068.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.