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Finding the Fourth Proportional to 244,013.66, 366,009.70 and 66,520.68

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Solution

The fourth proportional to 244,013.66, 366,009.70 and 66,520.68 is: 99,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,013.66 : 366,009.70 = 66,520.68 : x
  2. Step 2: Convert to fraction form
    244,013.66/366,009.70 = 66,520.68/x
  3. Step 3: Cross multiply
    244,013.66x = 366,009.70 × 66,520.68
  4. Step 4: Simplify right side
    244,013.66x = 24,347,214,130.60
  5. Step 5: Solve for x
    x = 24,347,214,130.60/244,013.66
  6. Step 6: Final answer
    x = 99,778.08

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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.