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Finding the Fourth Proportional to 92,588.49, 127,774.53 and 56,757.87

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Solution

The fourth proportional to 92,588.49, 127,774.53 and 56,757.87 is: 78,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,588.49 : 127,774.53 = 56,757.87 : x
  2. Step 2: Convert to fraction form
    92,588.49/127,774.53 = 56,757.87/x
  3. Step 3: Cross multiply
    92,588.49x = 127,774.53 × 56,757.87
  4. Step 4: Simplify right side
    92,588.49x = 7,252,210,163.05
  5. Step 5: Solve for x
    x = 7,252,210,163.05/92,588.49
  6. Step 6: Final answer
    x = 78,327.34

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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.