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Finding the Fourth Proportional to 219,757.68, 329,636.52 and 79,483.50

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Solution

The fourth proportional to 219,757.68, 329,636.52 and 79,483.50 is: 119,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,757.68 : 329,636.52 = 79,483.50 : x
  2. Step 2: Convert to fraction form
    219,757.68/329,636.52 = 79,483.50/x
  3. Step 3: Cross multiply
    219,757.68x = 329,636.52 × 79,483.50
  4. Step 4: Simplify right side
    219,757.68x = 26,200,664,337.42
  5. Step 5: Solve for x
    x = 26,200,664,337.42/219,757.68
  6. Step 6: Final answer
    x = 119,225.25

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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.