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Finding the Fourth Proportional to 121,052.63, 181,608.10 and 37,946.63

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Solution

The fourth proportional to 121,052.63, 181,608.10 and 37,946.63 is: 56,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,052.63 : 181,608.10 = 37,946.63 : x
  2. Step 2: Convert to fraction form
    121,052.63/181,608.10 = 37,946.63/x
  3. Step 3: Cross multiply
    121,052.63x = 181,608.10 × 37,946.63
  4. Step 4: Simplify right side
    121,052.63x = 6,891,414,467.66
  5. Step 5: Solve for x
    x = 6,891,414,467.66/121,052.63
  6. Step 6: Final answer
    x = 56,929.08

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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.