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Finding the Fourth Proportional to 68,505.48, 94,581.54 and 43,046.64

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Solution

The fourth proportional to 68,505.48, 94,581.54 and 43,046.64 is: 59,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,505.48 : 94,581.54 = 43,046.64 : x
  2. Step 2: Convert to fraction form
    68,505.48/94,581.54 = 43,046.64/x
  3. Step 3: Cross multiply
    68,505.48x = 94,581.54 × 43,046.64
  4. Step 4: Simplify right side
    68,505.48x = 4,071,417,503.03
  5. Step 5: Solve for x
    x = 4,071,417,503.03/68,505.48
  6. Step 6: Final answer
    x = 59,432.00

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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.