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Finding the Fourth Proportional to 108,794.64, 150,129.10 and 60,392.79

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Solution

The fourth proportional to 108,794.64, 150,129.10 and 60,392.79 is: 83,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,794.64 : 150,129.10 = 60,392.79 : x
  2. Step 2: Convert to fraction form
    108,794.64/150,129.10 = 60,392.79/x
  3. Step 3: Cross multiply
    108,794.64x = 150,129.10 × 60,392.79
  4. Step 4: Simplify right side
    108,794.64x = 9,066,714,944.97
  5. Step 5: Solve for x
    x = 9,066,714,944.97/108,794.64
  6. Step 6: Final answer
    x = 83,337.88

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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.