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Finding the Fourth Proportional to 254,454.90, 381,567.15 and 96,630.90

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Solution

The fourth proportional to 254,454.90, 381,567.15 and 96,630.90 is: 144,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,454.90 : 381,567.15 = 96,630.90 : x
  2. Step 2: Convert to fraction form
    254,454.90/381,567.15 = 96,630.90/x
  3. Step 3: Cross multiply
    254,454.90x = 381,567.15 × 96,630.90
  4. Step 4: Simplify right side
    254,454.90x = 36,871,177,114.94
  5. Step 5: Solve for x
    x = 36,871,177,114.94/254,454.90
  6. Step 6: Final answer
    x = 144,902.60

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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.