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Finding the Fourth Proportional to 216,501.30, 324,751.95 and 164,013.30

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Solution

The fourth proportional to 216,501.30, 324,751.95 and 164,013.30 is: 246,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,501.30 : 324,751.95 = 164,013.30 : x
  2. Step 2: Convert to fraction form
    216,501.30/324,751.95 = 164,013.30/x
  3. Step 3: Cross multiply
    216,501.30x = 324,751.95 × 164,013.30
  4. Step 4: Simplify right side
    216,501.30x = 53,263,639,000.94
  5. Step 5: Solve for x
    x = 53,263,639,000.94/216,501.30
  6. Step 6: Final answer
    x = 246,019.95

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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.