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Finding the Fourth Proportional to 203,535.67, 280,554.69 and 160,444.90

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Solution

The fourth proportional to 203,535.67, 280,554.69 and 160,444.90 is: 221,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,535.67 : 280,554.69 = 160,444.90 : x
  2. Step 2: Convert to fraction form
    203,535.67/280,554.69 = 160,444.90/x
  3. Step 3: Cross multiply
    203,535.67x = 280,554.69 × 160,444.90
  4. Step 4: Simplify right side
    203,535.67x = 45,013,569,181.58
  5. Step 5: Solve for x
    x = 45,013,569,181.58/203,535.67
  6. Step 6: Final answer
    x = 221,158.13

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