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Finding the Fourth Proportional to 201,253.41, 277,437.03 and 140,635.92

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Solution

The fourth proportional to 201,253.41, 277,437.03 and 140,635.92 is: 193,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,253.41 : 277,437.03 = 140,635.92 : x
  2. Step 2: Convert to fraction form
    201,253.41/277,437.03 = 140,635.92/x
  3. Step 3: Cross multiply
    201,253.41x = 277,437.03 × 140,635.92
  4. Step 4: Simplify right side
    201,253.41x = 39,017,611,956.12
  5. Step 5: Solve for x
    x = 39,017,611,956.12/201,253.41
  6. Step 6: Final answer
    x = 193,873.05

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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.