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Finding the Fourth Proportional to 92,552.40, 127,713.24 and 54,819.36

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Solution

The fourth proportional to 92,552.40, 127,713.24 and 54,819.36 is: 75,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,552.40 : 127,713.24 = 54,819.36 : x
  2. Step 2: Convert to fraction form
    92,552.40/127,713.24 = 54,819.36/x
  3. Step 3: Cross multiply
    92,552.40x = 127,713.24 × 54,819.36
  4. Step 4: Simplify right side
    92,552.40x = 7,001,158,080.33
  5. Step 5: Solve for x
    x = 7,001,158,080.33/92,552.40
  6. Step 6: Final answer
    x = 75,645.34

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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.