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Finding the Fourth Proportional to 103,454.55, 155,200.05 and 36,933.30

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Solution

The fourth proportional to 103,454.55, 155,200.05 and 36,933.30 is: 55,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,454.55 : 155,200.05 = 36,933.30 : x
  2. Step 2: Convert to fraction form
    103,454.55/155,200.05 = 36,933.30/x
  3. Step 3: Cross multiply
    103,454.55x = 155,200.05 × 36,933.30
  4. Step 4: Simplify right side
    103,454.55x = 5,732,050,006.67
  5. Step 5: Solve for x
    x = 5,732,050,006.67/103,454.55
  6. Step 6: Final answer
    x = 55,406.46

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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.