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Finding the Fourth Proportional to 244,493.80, 366,850.05 and 86,835.40

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Solution

The fourth proportional to 244,493.80, 366,850.05 and 86,835.40 is: 130,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,493.80 : 366,850.05 = 86,835.40 : x
  2. Step 2: Convert to fraction form
    244,493.80/366,850.05 = 86,835.40/x
  3. Step 3: Cross multiply
    244,493.80x = 366,850.05 × 86,835.40
  4. Step 4: Simplify right side
    244,493.80x = 31,855,570,831.77
  5. Step 5: Solve for x
    x = 31,855,570,831.77/244,493.80
  6. Step 6: Final answer
    x = 130,291.94

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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.