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Finding the Fourth Proportional to 84,503.48, 116,669.82 and 54,300.44

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Solution

The fourth proportional to 84,503.48, 116,669.82 and 54,300.44 is: 74,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,503.48 : 116,669.82 = 54,300.44 : x
  2. Step 2: Convert to fraction form
    84,503.48/116,669.82 = 54,300.44/x
  3. Step 3: Cross multiply
    84,503.48x = 116,669.82 × 54,300.44
  4. Step 4: Simplify right side
    84,503.48x = 6,335,222,560.72
  5. Step 5: Solve for x
    x = 6,335,222,560.72/84,503.48
  6. Step 6: Final answer
    x = 74,969.96

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1.5x scale

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.