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Finding the Fourth Proportional to 104,651.68, 144,416.16 and 59,333.80

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Solution

The fourth proportional to 104,651.68, 144,416.16 and 59,333.80 is: 81,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,651.68 : 144,416.16 = 59,333.80 : x
  2. Step 2: Convert to fraction form
    104,651.68/144,416.16 = 59,333.80/x
  3. Step 3: Cross multiply
    104,651.68x = 144,416.16 × 59,333.80
  4. Step 4: Simplify right side
    104,651.68x = 8,568,759,554.21
  5. Step 5: Solve for x
    x = 8,568,759,554.21/104,651.68
  6. Step 6: Final answer
    x = 81,878.85

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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.