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Finding the Fourth Proportional to 125,782.56, 173,584.80 and 69,196.32

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Solution

The fourth proportional to 125,782.56, 173,584.80 and 69,196.32 is: 95,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,782.56 : 173,584.80 = 69,196.32 : x
  2. Step 2: Convert to fraction form
    125,782.56/173,584.80 = 69,196.32/x
  3. Step 3: Cross multiply
    125,782.56x = 173,584.80 × 69,196.32
  4. Step 4: Simplify right side
    125,782.56x = 12,011,429,367.94
  5. Step 5: Solve for x
    x = 12,011,429,367.94/125,782.56
  6. Step 6: Final answer
    x = 95,493.60

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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.