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Finding the Fourth Proportional to 235,204.60, 353,037.30 and 117,009.40

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Solution

The fourth proportional to 235,204.60, 353,037.30 and 117,009.40 is: 175,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,204.60 : 353,037.30 = 117,009.40 : x
  2. Step 2: Convert to fraction form
    235,204.60/353,037.30 = 117,009.40/x
  3. Step 3: Cross multiply
    235,204.60x = 353,037.30 × 117,009.40
  4. Step 4: Simplify right side
    235,204.60x = 41,308,682,650.62
  5. Step 5: Solve for x
    x = 41,308,682,650.62/235,204.60
  6. Step 6: Final answer
    x = 175,628.72

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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.