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Finding the Fourth Proportional to 356,652.75, 534,602.07 and 131,868.84

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Solution

The fourth proportional to 356,652.75, 534,602.07 and 131,868.84 is: 197,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,652.75 : 534,602.07 = 131,868.84 : x
  2. Step 2: Convert to fraction form
    356,652.75/534,602.07 = 131,868.84/x
  3. Step 3: Cross multiply
    356,652.75x = 534,602.07 × 131,868.84
  4. Step 4: Simplify right side
    356,652.75x = 70,497,354,832.50
  5. Step 5: Solve for x
    x = 70,497,354,832.50/356,652.75
  6. Step 6: Final answer
    x = 197,663.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.