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Finding the Fourth Proportional to 92,554.79, 138,814.53 and 45,122.27

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Solution

The fourth proportional to 92,554.79, 138,814.53 and 45,122.27 is: 67,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,554.79 : 138,814.53 = 45,122.27 : x
  2. Step 2: Convert to fraction form
    92,554.79/138,814.53 = 45,122.27/x
  3. Step 3: Cross multiply
    92,554.79x = 138,814.53 × 45,122.27
  4. Step 4: Simplify right side
    92,554.79x = 6,263,626,702.58
  5. Step 5: Solve for x
    x = 6,263,626,702.58/92,554.79
  6. Step 6: Final answer
    x = 67,674.80

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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.