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Finding the Fourth Proportional to 68,955.93, 95,199.09 and 45,124.20

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Solution

The fourth proportional to 68,955.93, 95,199.09 and 45,124.20 is: 62,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,955.93 : 95,199.09 = 45,124.20 : x
  2. Step 2: Convert to fraction form
    68,955.93/95,199.09 = 45,124.20/x
  3. Step 3: Cross multiply
    68,955.93x = 95,199.09 × 45,124.20
  4. Step 4: Simplify right side
    68,955.93x = 4,295,782,776.98
  5. Step 5: Solve for x
    x = 4,295,782,776.98/68,955.93
  6. Step 6: Final answer
    x = 62,297.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.