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Finding the Fourth Proportional to 92,680, 127,897.68 and 50,237.44

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Solution

The fourth proportional to 92,680, 127,897.68 and 50,237.44 is: 69,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,680 : 127,897.68 = 50,237.44 : x
  2. Step 2: Convert to fraction form
    92,680/127,897.68 = 50,237.44/x
  3. Step 3: Cross multiply
    92,680x = 127,897.68 × 50,237.44
  4. Step 4: Simplify right side
    92,680x = 6,425,252,025.14
  5. Step 5: Solve for x
    x = 6,425,252,025.14/92,680
  6. Step 6: Final answer
    x = 69,327.28

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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.