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Finding the Fourth Proportional to 68,121.88, 93,954.94 and 44,256.24

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Solution

The fourth proportional to 68,121.88, 93,954.94 and 44,256.24 is: 61,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,121.88 : 93,954.94 = 44,256.24 : x
  2. Step 2: Convert to fraction form
    68,121.88/93,954.94 = 44,256.24/x
  3. Step 3: Cross multiply
    68,121.88x = 93,954.94 × 44,256.24
  4. Step 4: Simplify right side
    68,121.88x = 4,158,092,263.19
  5. Step 5: Solve for x
    x = 4,158,092,263.19/68,121.88
  6. Step 6: Final answer
    x = 61,039.01

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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.