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Finding the Fourth Proportional to 216,337.80, 324,506.70 and 123,025.80

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Solution

The fourth proportional to 216,337.80, 324,506.70 and 123,025.80 is: 184,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,337.80 : 324,506.70 = 123,025.80 : x
  2. Step 2: Convert to fraction form
    216,337.80/324,506.70 = 123,025.80/x
  3. Step 3: Cross multiply
    216,337.80x = 324,506.70 × 123,025.80
  4. Step 4: Simplify right side
    216,337.80x = 39,922,696,372.86
  5. Step 5: Solve for x
    x = 39,922,696,372.86/216,337.80
  6. Step 6: Final answer
    x = 184,538.70

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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.