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Finding the Fourth Proportional to 126,858.58, 175,058.52 and 69,498.12

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Solution

The fourth proportional to 126,858.58, 175,058.52 and 69,498.12 is: 95,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,858.58 : 175,058.52 = 69,498.12 : x
  2. Step 2: Convert to fraction form
    126,858.58/175,058.52 = 69,498.12/x
  3. Step 3: Cross multiply
    126,858.58x = 175,058.52 × 69,498.12
  4. Step 4: Simplify right side
    126,858.58x = 12,166,238,029.98
  5. Step 5: Solve for x
    x = 12,166,238,029.98/126,858.58
  6. Step 6: Final answer
    x = 95,903.94

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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.