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Finding the Fourth Proportional to 64,843.80, 97,108.94 and 53,668.22

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Solution

The fourth proportional to 64,843.80, 97,108.94 and 53,668.22 is: 80,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,843.80 : 97,108.94 = 53,668.22 : x
  2. Step 2: Convert to fraction form
    64,843.80/97,108.94 = 53,668.22/x
  3. Step 3: Cross multiply
    64,843.80x = 97,108.94 × 53,668.22
  4. Step 4: Simplify right side
    64,843.80x = 5,211,663,955.89
  5. Step 5: Solve for x
    x = 5,211,663,955.89/64,843.80
  6. Step 6: Final answer
    x = 80,372.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.