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Finding the Fourth Proportional to 68,532.40, 94,522.53 and 58,988.53

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Solution

The fourth proportional to 68,532.40, 94,522.53 and 58,988.53 is: 81,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,532.40 : 94,522.53 = 58,988.53 : x
  2. Step 2: Convert to fraction form
    68,532.40/94,522.53 = 58,988.53/x
  3. Step 3: Cross multiply
    68,532.40x = 94,522.53 × 58,988.53
  4. Step 4: Simplify right side
    68,532.40x = 5,575,745,096.58
  5. Step 5: Solve for x
    x = 5,575,745,096.58/68,532.40
  6. Step 6: Final answer
    x = 81,359.26

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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.