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Finding the Fourth Proportional to 92,559.96, 127,735.09 and 56,769.71

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Solution

The fourth proportional to 92,559.96, 127,735.09 and 56,769.71 is: 78,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,559.96 : 127,735.09 = 56,769.71 : x
  2. Step 2: Convert to fraction form
    92,559.96/127,735.09 = 56,769.71/x
  3. Step 3: Cross multiply
    92,559.96x = 127,735.09 × 56,769.71
  4. Step 4: Simplify right side
    92,559.96x = 7,251,483,235.52
  5. Step 5: Solve for x
    x = 7,251,483,235.52/92,559.96
  6. Step 6: Final answer
    x = 78,343.63

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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.