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Finding the Fourth Proportional to 68,506.48, 94,582.92 and 43,047.64

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Solution

The fourth proportional to 68,506.48, 94,582.92 and 43,047.64 is: 59,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,506.48 : 94,582.92 = 43,047.64 : x
  2. Step 2: Convert to fraction form
    68,506.48/94,582.92 = 43,047.64/x
  3. Step 3: Cross multiply
    68,506.48x = 94,582.92 × 43,047.64
  4. Step 4: Simplify right side
    68,506.48x = 4,071,571,490.31
  5. Step 5: Solve for x
    x = 4,071,571,490.31/68,506.48
  6. Step 6: Final answer
    x = 59,433.38

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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.