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Finding the Fourth Proportional to 84,151.44, 116,128.20 and 46,424.88

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Solution

The fourth proportional to 84,151.44, 116,128.20 and 46,424.88 is: 64,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,151.44 : 116,128.20 = 46,424.88 : x
  2. Step 2: Convert to fraction form
    84,151.44/116,128.20 = 46,424.88/x
  3. Step 3: Cross multiply
    84,151.44x = 116,128.20 × 46,424.88
  4. Step 4: Simplify right side
    84,151.44x = 5,391,237,749.62
  5. Step 5: Solve for x
    x = 5,391,237,749.62/84,151.44
  6. Step 6: Final answer
    x = 64,065.90

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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.