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Finding the Fourth Proportional to 254,102.40, 381,304.80 and 96,346.80

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Solution

The fourth proportional to 254,102.40, 381,304.80 and 96,346.80 is: 144,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,102.40 : 381,304.80 = 96,346.80 : x
  2. Step 2: Convert to fraction form
    254,102.40/381,304.80 = 96,346.80/x
  3. Step 3: Cross multiply
    254,102.40x = 381,304.80 × 96,346.80
  4. Step 4: Simplify right side
    254,102.40x = 36,737,497,304.64
  5. Step 5: Solve for x
    x = 36,737,497,304.64/254,102.40
  6. Step 6: Final answer
    x = 144,577.53

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1.5x scale

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.