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Finding the Fourth Proportional to 255,572.70, 383,225.85 and 95,517.06

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Solution

The fourth proportional to 255,572.70, 383,225.85 and 95,517.06 is: 143,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,572.70 : 383,225.85 = 95,517.06 : x
  2. Step 2: Convert to fraction form
    255,572.70/383,225.85 = 95,517.06/x
  3. Step 3: Cross multiply
    255,572.70x = 383,225.85 × 95,517.06
  4. Step 4: Simplify right side
    255,572.70x = 36,604,606,508.00
  5. Step 5: Solve for x
    x = 36,604,606,508.00/255,572.70
  6. Step 6: Final answer
    x = 143,225.81

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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.