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Finding the Fourth Proportional to 92,412.74, 127,529.43 and 52,126.38

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Solution

The fourth proportional to 92,412.74, 127,529.43 and 52,126.38 is: 71,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,412.74 : 127,529.43 = 52,126.38 : x
  2. Step 2: Convert to fraction form
    92,412.74/127,529.43 = 52,126.38/x
  3. Step 3: Cross multiply
    92,412.74x = 127,529.43 × 52,126.38
  4. Step 4: Simplify right side
    92,412.74x = 6,647,647,529.36
  5. Step 5: Solve for x
    x = 6,647,647,529.36/92,412.74
  6. Step 6: Final answer
    x = 71,934.32

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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.