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Finding the Fourth Proportional to 255,595.16, 383,563.38 and 89,383.16

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Solution

The fourth proportional to 255,595.16, 383,563.38 and 89,383.16 is: 134,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,595.16 : 383,563.38 = 89,383.16 : x
  2. Step 2: Convert to fraction form
    255,595.16/383,563.38 = 89,383.16/x
  3. Step 3: Cross multiply
    255,595.16x = 383,563.38 × 89,383.16
  4. Step 4: Simplify right side
    255,595.16x = 34,284,106,964.68
  5. Step 5: Solve for x
    x = 34,284,106,964.68/255,595.16
  6. Step 6: Final answer
    x = 134,134.41

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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.