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Finding the Fourth Proportional to 84,449.58, 116,556.48 and 60,315.90

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Solution

The fourth proportional to 84,449.58, 116,556.48 and 60,315.90 is: 83,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,449.58 : 116,556.48 = 60,315.90 : x
  2. Step 2: Convert to fraction form
    84,449.58/116,556.48 = 60,315.90/x
  3. Step 3: Cross multiply
    84,449.58x = 116,556.48 × 60,315.90
  4. Step 4: Simplify right side
    84,449.58x = 7,030,208,992.03
  5. Step 5: Solve for x
    x = 7,030,208,992.03/84,449.58
  6. Step 6: Final answer
    x = 83,247.41

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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.