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Finding the Fourth Proportional to 68,202.78, 94,158.88 and 45,580.10

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Solution

The fourth proportional to 68,202.78, 94,158.88 and 45,580.10 is: 62,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,202.78 : 94,158.88 = 45,580.10 : x
  2. Step 2: Convert to fraction form
    68,202.78/94,158.88 = 45,580.10/x
  3. Step 3: Cross multiply
    68,202.78x = 94,158.88 × 45,580.10
  4. Step 4: Simplify right side
    68,202.78x = 4,291,771,166.29
  5. Step 5: Solve for x
    x = 4,291,771,166.29/68,202.78
  6. Step 6: Final answer
    x = 62,926.63

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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.