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Finding the Fourth Proportional to 216,659.67, 325,129.83 and 116,888.73

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Solution

The fourth proportional to 216,659.67, 325,129.83 and 116,888.73 is: 175,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,659.67 : 325,129.83 = 116,888.73 : x
  2. Step 2: Convert to fraction form
    216,659.67/325,129.83 = 116,888.73/x
  3. Step 3: Cross multiply
    216,659.67x = 325,129.83 × 116,888.73
  4. Step 4: Simplify right side
    216,659.67x = 38,004,012,913.82
  5. Step 5: Solve for x
    x = 38,004,012,913.82/216,659.67
  6. Step 6: Final answer
    x = 175,408.80

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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.