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Finding the Fourth Proportional to 84,416.80, 116,491.36 and 46,175.68

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Solution

The fourth proportional to 84,416.80, 116,491.36 and 46,175.68 is: 63,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,416.80 : 116,491.36 = 46,175.68 : x
  2. Step 2: Convert to fraction form
    84,416.80/116,491.36 = 46,175.68/x
  3. Step 3: Cross multiply
    84,416.80x = 116,491.36 × 46,175.68
  4. Step 4: Simplify right side
    84,416.80x = 5,379,067,762.12
  5. Step 5: Solve for x
    x = 5,379,067,762.12/84,416.80
  6. Step 6: Final answer
    x = 63,720.35

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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.