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Finding the Fourth Proportional to 121,052.93, 181,608.53 and 37,946.93

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Solution

The fourth proportional to 121,052.93, 181,608.53 and 37,946.93 is: 56,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,052.93 : 181,608.53 = 37,946.93 : x
  2. Step 2: Convert to fraction form
    121,052.93/181,608.53 = 37,946.93/x
  3. Step 3: Cross multiply
    121,052.93x = 181,608.53 × 37,946.93
  4. Step 4: Simplify right side
    121,052.93x = 6,891,485,077.54
  5. Step 5: Solve for x
    x = 6,891,485,077.54/121,052.93
  6. Step 6: Final answer
    x = 56,929.52

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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.