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Finding the Fourth Proportional to 228,076.98, 314,796.18 and 132,638.73

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Solution

The fourth proportional to 228,076.98, 314,796.18 and 132,638.73 is: 183,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,076.98 : 314,796.18 = 132,638.73 : x
  2. Step 2: Convert to fraction form
    228,076.98/314,796.18 = 132,638.73/x
  3. Step 3: Cross multiply
    228,076.98x = 314,796.18 × 132,638.73
  4. Step 4: Simplify right side
    228,076.98x = 41,754,165,524.05
  5. Step 5: Solve for x
    x = 41,754,165,524.05/228,076.98
  6. Step 6: Final answer
    x = 183,070.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.