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Finding the Fourth Proportional to 126,555.84, 174,645.72 and 69,967.08

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Solution

The fourth proportional to 126,555.84, 174,645.72 and 69,967.08 is: 96,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,555.84 : 174,645.72 = 69,967.08 : x
  2. Step 2: Convert to fraction form
    126,555.84/174,645.72 = 69,967.08/x
  3. Step 3: Cross multiply
    126,555.84x = 174,645.72 × 69,967.08
  4. Step 4: Simplify right side
    126,555.84x = 12,219,451,062.90
  5. Step 5: Solve for x
    x = 12,219,451,062.90/126,555.84
  6. Step 6: Final answer
    x = 96,553.83

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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.