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Finding the Fourth Proportional to 355,165.35, 532,752.64 and 118,508.03

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Solution

The fourth proportional to 355,165.35, 532,752.64 and 118,508.03 is: 177,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,165.35 : 532,752.64 = 118,508.03 : x
  2. Step 2: Convert to fraction form
    355,165.35/532,752.64 = 118,508.03/x
  3. Step 3: Cross multiply
    355,165.35x = 532,752.64 × 118,508.03
  4. Step 4: Simplify right side
    355,165.35x = 63,135,465,843.70
  5. Step 5: Solve for x
    x = 63,135,465,843.70/355,165.35
  6. Step 6: Final answer
    x = 177,763.58

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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.