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Finding the Fourth Proportional to 355,189.80, 532,820.34 and 102,476.55

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Solution

The fourth proportional to 355,189.80, 532,820.34 and 102,476.55 is: 153,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,189.80 : 532,820.34 = 102,476.55 : x
  2. Step 2: Convert to fraction form
    355,189.80/532,820.34 = 102,476.55/x
  3. Step 3: Cross multiply
    355,189.80x = 532,820.34 × 102,476.55
  4. Step 4: Simplify right side
    355,189.80x = 54,601,590,213.03
  5. Step 5: Solve for x
    x = 54,601,590,213.03/355,189.80
  6. Step 6: Final answer
    x = 153,725.11

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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.