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Finding the Fourth Proportional to 126,809.58, 174,996.94 and 73,094.24

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Solution

The fourth proportional to 126,809.58, 174,996.94 and 73,094.24 is: 100,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,809.58 : 174,996.94 = 73,094.24 : x
  2. Step 2: Convert to fraction form
    126,809.58/174,996.94 = 73,094.24/x
  3. Step 3: Cross multiply
    126,809.58x = 174,996.94 × 73,094.24
  4. Step 4: Simplify right side
    126,809.58x = 12,791,268,331.63
  5. Step 5: Solve for x
    x = 12,791,268,331.63/126,809.58
  6. Step 6: Final answer
    x = 100,869.89

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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.