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Finding the Fourth Proportional to 92,514.70, 127,673.37 and 56,697.79

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Solution

The fourth proportional to 92,514.70, 127,673.37 and 56,697.79 is: 78,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,514.70 : 127,673.37 = 56,697.79 : x
  2. Step 2: Convert to fraction form
    92,514.70/127,673.37 = 56,697.79/x
  3. Step 3: Cross multiply
    92,514.70x = 127,673.37 × 56,697.79
  4. Step 4: Simplify right side
    92,514.70x = 7,238,797,814.29
  5. Step 5: Solve for x
    x = 7,238,797,814.29/92,514.70
  6. Step 6: Final answer
    x = 78,244.84

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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.