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Finding the Fourth Proportional to 255,595.92, 383,568.60 and 89,383.92

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Solution

The fourth proportional to 255,595.92, 383,568.60 and 89,383.92 is: 134,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,595.92 : 383,568.60 = 89,383.92 : x
  2. Step 2: Convert to fraction form
    255,595.92/383,568.60 = 89,383.92/x
  3. Step 3: Cross multiply
    255,595.92x = 383,568.60 × 89,383.92
  4. Step 4: Simplify right side
    255,595.92x = 34,284,865,056.91
  5. Step 5: Solve for x
    x = 34,284,865,056.91/255,595.92
  6. Step 6: Final answer
    x = 134,136.98

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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.