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Finding the Fourth Proportional to 121,873.32, 182,827.32 and 37,640.46

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Solution

The fourth proportional to 121,873.32, 182,827.32 and 37,640.46 is: 56,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,873.32 : 182,827.32 = 37,640.46 : x
  2. Step 2: Convert to fraction form
    121,873.32/182,827.32 = 37,640.46/x
  3. Step 3: Cross multiply
    121,873.32x = 182,827.32 × 37,640.46
  4. Step 4: Simplify right side
    121,873.32x = 6,881,704,425.37
  5. Step 5: Solve for x
    x = 6,881,704,425.37/121,873.32
  6. Step 6: Final answer
    x = 56,466.05

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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.