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Finding the Fourth Proportional to 195,894.90, 293,842.35 and 125,910.90

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Solution

The fourth proportional to 195,894.90, 293,842.35 and 125,910.90 is: 188,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,894.90 : 293,842.35 = 125,910.90 : x
  2. Step 2: Convert to fraction form
    195,894.90/293,842.35 = 125,910.90/x
  3. Step 3: Cross multiply
    195,894.90x = 293,842.35 × 125,910.90
  4. Step 4: Simplify right side
    195,894.90x = 36,997,954,746.62
  5. Step 5: Solve for x
    x = 36,997,954,746.62/195,894.90
  6. Step 6: Final answer
    x = 188,866.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.