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Finding the Fourth Proportional to 216,612.76, 324,648.18 and 104,262.92

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Solution

The fourth proportional to 216,612.76, 324,648.18 and 104,262.92 is: 156,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,612.76 : 324,648.18 = 104,262.92 : x
  2. Step 2: Convert to fraction form
    216,612.76/324,648.18 = 104,262.92/x
  3. Step 3: Cross multiply
    216,612.76x = 324,648.18 × 104,262.92
  4. Step 4: Simplify right side
    216,612.76x = 33,848,767,219.49
  5. Step 5: Solve for x
    x = 33,848,767,219.49/216,612.76
  6. Step 6: Final answer
    x = 156,263.96

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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.