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Finding the Fourth Proportional to 121,063.80, 181,597.02 and 36,837.64

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Solution

The fourth proportional to 121,063.80, 181,597.02 and 36,837.64 is: 55,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,063.80 : 181,597.02 = 36,837.64 : x
  2. Step 2: Convert to fraction form
    121,063.80/181,597.02 = 36,837.64/x
  3. Step 3: Cross multiply
    121,063.80x = 181,597.02 × 36,837.64
  4. Step 4: Simplify right side
    121,063.80x = 6,689,605,647.83
  5. Step 5: Solve for x
    x = 6,689,605,647.83/121,063.80
  6. Step 6: Final answer
    x = 55,256.86

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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.