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Finding the Fourth Proportional to 355,168.48, 532,757.33 and 118,511.16

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Solution

The fourth proportional to 355,168.48, 532,757.33 and 118,511.16 is: 177,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,168.48 : 532,757.33 = 118,511.16 : x
  2. Step 2: Convert to fraction form
    355,168.48/532,757.33 = 118,511.16/x
  3. Step 3: Cross multiply
    355,168.48x = 532,757.33 × 118,511.16
  4. Step 4: Simplify right side
    355,168.48x = 63,137,689,176.80
  5. Step 5: Solve for x
    x = 63,137,689,176.80/355,168.48
  6. Step 6: Final answer
    x = 177,768.28

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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.