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Finding the Fourth Proportional to 84,893.68, 117,104.48 and 53,007.22

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Solution

The fourth proportional to 84,893.68, 117,104.48 and 53,007.22 is: 73,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,893.68 : 117,104.48 = 53,007.22 : x
  2. Step 2: Convert to fraction form
    84,893.68/117,104.48 = 53,007.22/x
  3. Step 3: Cross multiply
    84,893.68x = 117,104.48 × 53,007.22
  4. Step 4: Simplify right side
    84,893.68x = 6,207,382,934.35
  5. Step 5: Solve for x
    x = 6,207,382,934.35/84,893.68
  6. Step 6: Final answer
    x = 73,119.49

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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.