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Finding the Fourth Proportional to 133,281.96, 199,950.96 and 38,511.96

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Solution

The fourth proportional to 133,281.96, 199,950.96 and 38,511.96 is: 57,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,281.96 : 199,950.96 = 38,511.96 : x
  2. Step 2: Convert to fraction form
    133,281.96/199,950.96 = 38,511.96/x
  3. Step 3: Cross multiply
    133,281.96x = 199,950.96 × 38,511.96
  4. Step 4: Simplify right side
    133,281.96x = 7,700,503,373.48
  5. Step 5: Solve for x
    x = 7,700,503,373.48/133,281.96
  6. Step 6: Final answer
    x = 57,776.04

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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.