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Finding the Fourth Proportional to 126,744.52, 174,925.86 and 73,019.08

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Solution

The fourth proportional to 126,744.52, 174,925.86 and 73,019.08 is: 100,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,744.52 : 174,925.86 = 73,019.08 : x
  2. Step 2: Convert to fraction form
    126,744.52/174,925.86 = 73,019.08/x
  3. Step 3: Cross multiply
    126,744.52x = 174,925.86 × 73,019.08
  4. Step 4: Simplify right side
    126,744.52x = 12,772,925,365.41
  5. Step 5: Solve for x
    x = 12,772,925,365.41/126,744.52
  6. Step 6: Final answer
    x = 100,776.94

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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.