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Finding the Fourth Proportional to 68,534.40, 94,525.29 and 58,990.53

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Solution

The fourth proportional to 68,534.40, 94,525.29 and 58,990.53 is: 81,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,534.40 : 94,525.29 = 58,990.53 : x
  2. Step 2: Convert to fraction form
    68,534.40/94,525.29 = 58,990.53/x
  3. Step 3: Cross multiply
    68,534.40x = 94,525.29 × 58,990.53
  4. Step 4: Simplify right side
    68,534.40x = 5,576,096,955.50
  5. Step 5: Solve for x
    x = 5,576,096,955.50/68,534.40
  6. Step 6: Final answer
    x = 81,362.02

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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.