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Finding the Fourth Proportional to 92,668.05, 127,889.84 and 52,388.98

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Solution

The fourth proportional to 92,668.05, 127,889.84 and 52,388.98 is: 72,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,668.05 : 127,889.84 = 52,388.98 : x
  2. Step 2: Convert to fraction form
    92,668.05/127,889.84 = 52,388.98/x
  3. Step 3: Cross multiply
    92,668.05x = 127,889.84 × 52,388.98
  4. Step 4: Simplify right side
    92,668.05x = 6,700,017,786.52
  5. Step 5: Solve for x
    x = 6,700,017,786.52/92,668.05
  6. Step 6: Final answer
    x = 72,301.27

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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.