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Finding the Fourth Proportional to 121,101, 181,680.66 and 37,995

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Solution

The fourth proportional to 121,101, 181,680.66 and 37,995 is: 57,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,101 : 181,680.66 = 37,995 : x
  2. Step 2: Convert to fraction form
    121,101/181,680.66 = 37,995/x
  3. Step 3: Cross multiply
    121,101x = 181,680.66 × 37,995
  4. Step 4: Simplify right side
    121,101x = 6,902,956,676.70
  5. Step 5: Solve for x
    x = 6,902,956,676.70/121,101
  6. Step 6: Final answer
    x = 57,001.65

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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.