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Finding the Fourth Proportional to 216,571.93, 298,860.64 and 119,769.50

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Solution

The fourth proportional to 216,571.93, 298,860.64 and 119,769.50 is: 165,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,571.93 : 298,860.64 = 119,769.50 : x
  2. Step 2: Convert to fraction form
    216,571.93/298,860.64 = 119,769.50/x
  3. Step 3: Cross multiply
    216,571.93x = 298,860.64 × 119,769.50
  4. Step 4: Simplify right side
    216,571.93x = 35,794,389,870.21
  5. Step 5: Solve for x
    x = 35,794,389,870.21/216,571.93
  6. Step 6: Final answer
    x = 165,277.15

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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.