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Finding the Fourth Proportional to 236,494.60, 354,741.90 and 112,078.60

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Solution

The fourth proportional to 236,494.60, 354,741.90 and 112,078.60 is: 168,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,494.60 : 354,741.90 = 112,078.60 : x
  2. Step 2: Convert to fraction form
    236,494.60/354,741.90 = 112,078.60/x
  3. Step 3: Cross multiply
    236,494.60x = 354,741.90 × 112,078.60
  4. Step 4: Simplify right side
    236,494.60x = 39,758,975,513.34
  5. Step 5: Solve for x
    x = 39,758,975,513.34/236,494.60
  6. Step 6: Final answer
    x = 168,117.90

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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.