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Finding the Fourth Proportional to 68,254.93, 94,199.43 and 38,043.01

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Solution

The fourth proportional to 68,254.93, 94,199.43 and 38,043.01 is: 52,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,254.93 : 94,199.43 = 38,043.01 : x
  2. Step 2: Convert to fraction form
    68,254.93/94,199.43 = 38,043.01/x
  3. Step 3: Cross multiply
    68,254.93x = 94,199.43 × 38,043.01
  4. Step 4: Simplify right side
    68,254.93x = 3,583,629,857.48
  5. Step 5: Solve for x
    x = 3,583,629,857.48/68,254.93
  6. Step 6: Final answer
    x = 52,503.60

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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.