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Finding the Fourth Proportional to 244,548.30, 366,931.80 and 86,889.90

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Solution

The fourth proportional to 244,548.30, 366,931.80 and 86,889.90 is: 130,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,548.30 : 366,931.80 = 86,889.90 : x
  2. Step 2: Convert to fraction form
    244,548.30/366,931.80 = 86,889.90/x
  3. Step 3: Cross multiply
    244,548.30x = 366,931.80 × 86,889.90
  4. Step 4: Simplify right side
    244,548.30x = 31,882,667,408.82
  5. Step 5: Solve for x
    x = 31,882,667,408.82/244,548.30
  6. Step 6: Final answer
    x = 130,373.70

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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.