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Finding the Fourth Proportional to 110,957.55, 166,432.68 and 44,379.80

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Solution

The fourth proportional to 110,957.55, 166,432.68 and 44,379.80 is: 66,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,957.55 : 166,432.68 = 44,379.80 : x
  2. Step 2: Convert to fraction form
    110,957.55/166,432.68 = 44,379.80/x
  3. Step 3: Cross multiply
    110,957.55x = 166,432.68 × 44,379.80
  4. Step 4: Simplify right side
    110,957.55x = 7,386,249,051.86
  5. Step 5: Solve for x
    x = 7,386,249,051.86/110,957.55
  6. Step 6: Final answer
    x = 66,568.24

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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.