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Finding the Fourth Proportional to 125,826.75, 173,642.13 and 69,239.34

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Solution

The fourth proportional to 125,826.75, 173,642.13 and 69,239.34 is: 95,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,826.75 : 173,642.13 = 69,239.34 : x
  2. Step 2: Convert to fraction form
    125,826.75/173,642.13 = 69,239.34/x
  3. Step 3: Cross multiply
    125,826.75x = 173,642.13 × 69,239.34
  4. Step 4: Simplify right side
    125,826.75x = 12,022,866,477.39
  5. Step 5: Solve for x
    x = 12,022,866,477.39/125,826.75
  6. Step 6: Final answer
    x = 95,550.96

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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.