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Finding the Fourth Proportional to 268,652.12, 370,725.28 and 147,773.89

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Solution

The fourth proportional to 268,652.12, 370,725.28 and 147,773.89 is: 203,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,652.12 : 370,725.28 = 147,773.89 : x
  2. Step 2: Convert to fraction form
    268,652.12/370,725.28 = 147,773.89/x
  3. Step 3: Cross multiply
    268,652.12x = 370,725.28 × 147,773.89
  4. Step 4: Simplify right side
    268,652.12x = 54,783,516,746.94
  5. Step 5: Solve for x
    x = 54,783,516,746.94/268,652.12
  6. Step 6: Final answer
    x = 203,919.91

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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.