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Finding the Fourth Proportional to 255,733.22, 383,488.66 and 73,323.86

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Solution

The fourth proportional to 255,733.22, 383,488.66 and 73,323.86 is: 109,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,733.22 : 383,488.66 = 73,323.86 : x
  2. Step 2: Convert to fraction form
    255,733.22/383,488.66 = 73,323.86/x
  3. Step 3: Cross multiply
    255,733.22x = 383,488.66 × 73,323.86
  4. Step 4: Simplify right side
    255,733.22x = 28,118,868,817.43
  5. Step 5: Solve for x
    x = 28,118,868,817.43/255,733.22
  6. Step 6: Final answer
    x = 109,953.92

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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.