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Finding the Fourth Proportional to 100,244.77, 138,337.77 and 54,924.47

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Solution

The fourth proportional to 100,244.77, 138,337.77 and 54,924.47 is: 75,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,244.77 : 138,337.77 = 54,924.47 : x
  2. Step 2: Convert to fraction form
    100,244.77/138,337.77 = 54,924.47/x
  3. Step 3: Cross multiply
    100,244.77x = 138,337.77 × 54,924.47
  4. Step 4: Simplify right side
    100,244.77x = 7,598,128,698.23
  5. Step 5: Solve for x
    x = 7,598,128,698.23/100,244.77
  6. Step 6: Final answer
    x = 75,795.76

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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.