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Finding the Fourth Proportional to 121,873.35, 182,827.35 and 37,640.37

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Solution

The fourth proportional to 121,873.35, 182,827.35 and 37,640.37 is: 56,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,873.35 : 182,827.35 = 37,640.37 : x
  2. Step 2: Convert to fraction form
    121,873.35/182,827.35 = 37,640.37/x
  3. Step 3: Cross multiply
    121,873.35x = 182,827.35 × 37,640.37
  4. Step 4: Simplify right side
    121,873.35x = 6,881,689,100.12
  5. Step 5: Solve for x
    x = 6,881,689,100.12/121,873.35
  6. Step 6: Final answer
    x = 56,465.91

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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.