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Finding the Fourth Proportional to 84,357.72, 116,410.44 and 48,559.20

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Solution

The fourth proportional to 84,357.72, 116,410.44 and 48,559.20 is: 67,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,357.72 : 116,410.44 = 48,559.20 : x
  2. Step 2: Convert to fraction form
    84,357.72/116,410.44 = 48,559.20/x
  3. Step 3: Cross multiply
    84,357.72x = 116,410.44 × 48,559.20
  4. Step 4: Simplify right side
    84,357.72x = 5,652,797,838.05
  5. Step 5: Solve for x
    x = 5,652,797,838.05/84,357.72
  6. Step 6: Final answer
    x = 67,009.85

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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.