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Finding the Fourth Proportional to 92,576.84, 127,756.42 and 50,135.40

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Solution

The fourth proportional to 92,576.84, 127,756.42 and 50,135.40 is: 69,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,576.84 : 127,756.42 = 50,135.40 : x
  2. Step 2: Convert to fraction form
    92,576.84/127,756.42 = 50,135.40/x
  3. Step 3: Cross multiply
    92,576.84x = 127,756.42 × 50,135.40
  4. Step 4: Simplify right side
    92,576.84x = 6,405,119,219.27
  5. Step 5: Solve for x
    x = 6,405,119,219.27/92,576.84
  6. Step 6: Final answer
    x = 69,187.06

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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.