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Finding the Fourth Proportional to 119,856.98, 179,659.08 and 39,873.58

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Solution

The fourth proportional to 119,856.98, 179,659.08 and 39,873.58 is: 59,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,856.98 : 179,659.08 = 39,873.58 : x
  2. Step 2: Convert to fraction form
    119,856.98/179,659.08 = 39,873.58/x
  3. Step 3: Cross multiply
    119,856.98x = 179,659.08 × 39,873.58
  4. Step 4: Simplify right side
    119,856.98x = 7,163,650,839.40
  5. Step 5: Solve for x
    x = 7,163,650,839.40/119,856.98
  6. Step 6: Final answer
    x = 59,768.33

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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.