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Finding the Fourth Proportional to 254,220.66, 381,431.43 and 96,490.98

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Solution

The fourth proportional to 254,220.66, 381,431.43 and 96,490.98 is: 144,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,220.66 : 381,431.43 = 96,490.98 : x
  2. Step 2: Convert to fraction form
    254,220.66/381,431.43 = 96,490.98/x
  3. Step 3: Cross multiply
    254,220.66x = 381,431.43 × 96,490.98
  4. Step 4: Simplify right side
    254,220.66x = 36,804,692,483.50
  5. Step 5: Solve for x
    x = 36,804,692,483.50/254,220.66
  6. Step 6: Final answer
    x = 144,774.59

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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.