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Finding the Fourth Proportional to 125,037.54, 172,550.39 and 67,675.55

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Solution

The fourth proportional to 125,037.54, 172,550.39 and 67,675.55 is: 93,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,037.54 : 172,550.39 = 67,675.55 : x
  2. Step 2: Convert to fraction form
    125,037.54/172,550.39 = 67,675.55/x
  3. Step 3: Cross multiply
    125,037.54x = 172,550.39 × 67,675.55
  4. Step 4: Simplify right side
    125,037.54x = 11,677,441,344.83
  5. Step 5: Solve for x
    x = 11,677,441,344.83/125,037.54
  6. Step 6: Final answer
    x = 93,391.48

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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.