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Finding the Fourth Proportional to 126,805.86, 174,992.07 and 70,217.23

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Solution

The fourth proportional to 126,805.86, 174,992.07 and 70,217.23 is: 96,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,805.86 : 174,992.07 = 70,217.23 : x
  2. Step 2: Convert to fraction form
    126,805.86/174,992.07 = 70,217.23/x
  3. Step 3: Cross multiply
    126,805.86x = 174,992.07 × 70,217.23
  4. Step 4: Simplify right side
    126,805.86x = 12,287,458,427.37
  5. Step 5: Solve for x
    x = 12,287,458,427.37/126,805.86
  6. Step 6: Final answer
    x = 96,899.77

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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.