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Finding the Fourth Proportional to 355,097.34, 532,648.02 and 118,439.37

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Solution

The fourth proportional to 355,097.34, 532,648.02 and 118,439.37 is: 177,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,097.34 : 532,648.02 = 118,439.37 : x
  2. Step 2: Convert to fraction form
    355,097.34/532,648.02 = 118,439.37/x
  3. Step 3: Cross multiply
    355,097.34x = 532,648.02 × 118,439.37
  4. Step 4: Simplify right side
    355,097.34x = 63,086,495,920.55
  5. Step 5: Solve for x
    x = 63,086,495,920.55/355,097.34
  6. Step 6: Final answer
    x = 177,659.73

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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.