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Finding the Fourth Proportional to 92,399.36, 127,543.88 and 54,673.52

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Solution

The fourth proportional to 92,399.36, 127,543.88 and 54,673.52 is: 75,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,399.36 : 127,543.88 = 54,673.52 : x
  2. Step 2: Convert to fraction form
    92,399.36/127,543.88 = 54,673.52/x
  3. Step 3: Cross multiply
    92,399.36x = 127,543.88 × 54,673.52
  4. Step 4: Simplify right side
    92,399.36x = 6,973,272,874.06
  5. Step 5: Solve for x
    x = 6,973,272,874.06/92,399.36
  6. Step 6: Final answer
    x = 75,468.84

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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.