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Finding the Fourth Proportional to 121,374.80, 182,055.60 and 37,134.98

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Solution

The fourth proportional to 121,374.80, 182,055.60 and 37,134.98 is: 55,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,374.80 : 182,055.60 = 37,134.98 : x
  2. Step 2: Convert to fraction form
    121,374.80/182,055.60 = 37,134.98/x
  3. Step 3: Cross multiply
    121,374.80x = 182,055.60 × 37,134.98
  4. Step 4: Simplify right side
    121,374.80x = 6,760,631,349.35
  5. Step 5: Solve for x
    x = 6,760,631,349.35/121,374.80
  6. Step 6: Final answer
    x = 55,700.45

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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.