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Finding the Fourth Proportional to 92,399.34, 127,543.86 and 54,673.50

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Solution

The fourth proportional to 92,399.34, 127,543.86 and 54,673.50 is: 75,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,399.34 : 127,543.86 = 54,673.50 : x
  2. Step 2: Convert to fraction form
    92,399.34/127,543.86 = 54,673.50/x
  3. Step 3: Cross multiply
    92,399.34x = 127,543.86 × 54,673.50
  4. Step 4: Simplify right side
    92,399.34x = 6,973,269,229.71
  5. Step 5: Solve for x
    x = 6,973,269,229.71/92,399.34
  6. Step 6: Final answer
    x = 75,468.82

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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.