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Finding the Fourth Proportional to 268,687.73, 370,779.71 and 147,827.76

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Solution

The fourth proportional to 268,687.73, 370,779.71 and 147,827.76 is: 203,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,687.73 : 370,779.71 = 147,827.76 : x
  2. Step 2: Convert to fraction form
    268,687.73/370,779.71 = 147,827.76/x
  3. Step 3: Cross multiply
    268,687.73x = 370,779.71 × 147,827.76
  4. Step 4: Simplify right side
    268,687.73x = 54,811,533,243.61
  5. Step 5: Solve for x
    x = 54,811,533,243.61/268,687.73
  6. Step 6: Final answer
    x = 203,997.16

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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.