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Finding the Fourth Proportional to 216,022.60, 324,033.90 and 75,730.60

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Solution

The fourth proportional to 216,022.60, 324,033.90 and 75,730.60 is: 113,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,022.60 : 324,033.90 = 75,730.60 : x
  2. Step 2: Convert to fraction form
    216,022.60/324,033.90 = 75,730.60/x
  3. Step 3: Cross multiply
    216,022.60x = 324,033.90 × 75,730.60
  4. Step 4: Simplify right side
    216,022.60x = 24,539,281,667.34
  5. Step 5: Solve for x
    x = 24,539,281,667.34/216,022.60
  6. Step 6: Final answer
    x = 113,595.90

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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.