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Finding the Fourth Proportional to 125,984.93, 173,859.21 and 69,396.30

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Solution

The fourth proportional to 125,984.93, 173,859.21 and 69,396.30 is: 95,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,984.93 : 173,859.21 = 69,396.30 : x
  2. Step 2: Convert to fraction form
    125,984.93/173,859.21 = 69,396.30/x
  3. Step 3: Cross multiply
    125,984.93x = 173,859.21 × 69,396.30
  4. Step 4: Simplify right side
    125,984.93x = 12,065,185,894.92
  5. Step 5: Solve for x
    x = 12,065,185,894.92/125,984.93
  6. Step 6: Final answer
    x = 95,766.90

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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.