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Finding the Fourth Proportional to 126,775.52, 174,968.64 and 73,050.08

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Solution

The fourth proportional to 126,775.52, 174,968.64 and 73,050.08 is: 100,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775.52 : 174,968.64 = 73,050.08 : x
  2. Step 2: Convert to fraction form
    126,775.52/174,968.64 = 73,050.08/x
  3. Step 3: Cross multiply
    126,775.52x = 174,968.64 × 73,050.08
  4. Step 4: Simplify right side
    126,775.52x = 12,781,473,149.49
  5. Step 5: Solve for x
    x = 12,781,473,149.49/126,775.52
  6. Step 6: Final answer
    x = 100,819.73

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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.