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Finding the Fourth Proportional to 255,508.46, 383,264.10 and 65,955.88

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Solution

The fourth proportional to 255,508.46, 383,264.10 and 65,955.88 is: 98,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,508.46 : 383,264.10 = 65,955.88 : x
  2. Step 2: Convert to fraction form
    255,508.46/383,264.10 = 65,955.88/x
  3. Step 3: Cross multiply
    255,508.46x = 383,264.10 × 65,955.88
  4. Step 4: Simplify right side
    255,508.46x = 25,278,520,029.75
  5. Step 5: Solve for x
    x = 25,278,520,029.75/255,508.46
  6. Step 6: Final answer
    x = 98,934.18

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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.