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Finding the Fourth Proportional to 121,235.39, 181,853.10 and 36,996

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Solution

The fourth proportional to 121,235.39, 181,853.10 and 36,996 is: 55,494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,235.39 : 181,853.10 = 36,996 : x
  2. Step 2: Convert to fraction form
    121,235.39/181,853.10 = 36,996/x
  3. Step 3: Cross multiply
    121,235.39x = 181,853.10 × 36,996
  4. Step 4: Simplify right side
    121,235.39x = 6,727,837,287.60
  5. Step 5: Solve for x
    x = 6,727,837,287.60/121,235.39
  6. Step 6: Final answer
    x = 55,494.00

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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.