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Finding the Fourth Proportional to 92,104.88, 127,109.40 and 54,378.32

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Solution

The fourth proportional to 92,104.88, 127,109.40 and 54,378.32 is: 75,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,104.88 : 127,109.40 = 54,378.32 : x
  2. Step 2: Convert to fraction form
    92,104.88/127,109.40 = 54,378.32/x
  3. Step 3: Cross multiply
    92,104.88x = 127,109.40 × 54,378.32
  4. Step 4: Simplify right side
    92,104.88x = 6,911,995,628.21
  5. Step 5: Solve for x
    x = 6,911,995,628.21/92,104.88
  6. Step 6: Final answer
    x = 75,044.84

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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.