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Finding the Fourth Proportional to 255,272.76, 383,084.10 and 89,060.76

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Solution

The fourth proportional to 255,272.76, 383,084.10 and 89,060.76 is: 133,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,272.76 : 383,084.10 = 89,060.76 : x
  2. Step 2: Convert to fraction form
    255,272.76/383,084.10 = 89,060.76/x
  3. Step 3: Cross multiply
    255,272.76x = 383,084.10 × 89,060.76
  4. Step 4: Simplify right side
    255,272.76x = 34,117,761,089.92
  5. Step 5: Solve for x
    x = 34,117,761,089.92/255,272.76
  6. Step 6: Final answer
    x = 133,652.18

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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.