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Finding the Fourth Proportional to 84,676.80, 116,853.84 and 48,866.80

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Solution

The fourth proportional to 84,676.80, 116,853.84 and 48,866.80 is: 67,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,676.80 : 116,853.84 = 48,866.80 : x
  2. Step 2: Convert to fraction form
    84,676.80/116,853.84 = 48,866.80/x
  3. Step 3: Cross multiply
    84,676.80x = 116,853.84 × 48,866.80
  4. Step 4: Simplify right side
    84,676.80x = 5,710,273,228.51
  5. Step 5: Solve for x
    x = 5,710,273,228.51/84,676.80
  6. Step 6: Final answer
    x = 67,436.10

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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.