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Finding the Fourth Proportional to 216,009.75, 323,981.76 and 82,952.67

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Solution

The fourth proportional to 216,009.75, 323,981.76 and 82,952.67 is: 124,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,009.75 : 323,981.76 = 82,952.67 : x
  2. Step 2: Convert to fraction form
    216,009.75/323,981.76 = 82,952.67/x
  3. Step 3: Cross multiply
    216,009.75x = 323,981.76 × 82,952.67
  4. Step 4: Simplify right side
    216,009.75x = 26,875,152,023.30
  5. Step 5: Solve for x
    x = 26,875,152,023.30/216,009.75
  6. Step 6: Final answer
    x = 124,416.38

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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.