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Finding the Fourth Proportional to 126,809.55, 174,992.54 and 73,096.83

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Solution

The fourth proportional to 126,809.55, 174,992.54 and 73,096.83 is: 100,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,809.55 : 174,992.54 = 73,096.83 : x
  2. Step 2: Convert to fraction form
    126,809.55/174,992.54 = 73,096.83/x
  3. Step 3: Cross multiply
    126,809.55x = 174,992.54 × 73,096.83
  4. Step 4: Simplify right side
    126,809.55x = 12,791,399,582.16
  5. Step 5: Solve for x
    x = 12,791,399,582.16/126,809.55
  6. Step 6: Final answer
    x = 100,870.95

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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.