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Finding the Fourth Proportional to 255,701.96, 383,552.62 and 68,713.48

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Solution

The fourth proportional to 255,701.96, 383,552.62 and 68,713.48 is: 103,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,701.96 : 383,552.62 = 68,713.48 : x
  2. Step 2: Convert to fraction form
    255,701.96/383,552.62 = 68,713.48/x
  3. Step 3: Cross multiply
    255,701.96x = 383,552.62 × 68,713.48
  4. Step 4: Simplify right side
    255,701.96x = 26,355,235,283.32
  5. Step 5: Solve for x
    x = 26,355,235,283.32/255,701.96
  6. Step 6: Final answer
    x = 103,070.13

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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.