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Finding the Fourth Proportional to 244,609.15, 366,931.95 and 86,817.10

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Solution

The fourth proportional to 244,609.15, 366,931.95 and 86,817.10 is: 130,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,609.15 : 366,931.95 = 86,817.10 : x
  2. Step 2: Convert to fraction form
    244,609.15/366,931.95 = 86,817.10/x
  3. Step 3: Cross multiply
    244,609.15x = 366,931.95 × 86,817.10
  4. Step 4: Simplify right side
    244,609.15x = 31,855,967,796.35
  5. Step 5: Solve for x
    x = 31,855,967,796.35/244,609.15
  6. Step 6: Final answer
    x = 130,232.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.