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Finding the Fourth Proportional to 183,478.10, 275,217.15 and 165,763.40

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Solution

The fourth proportional to 183,478.10, 275,217.15 and 165,763.40 is: 248,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,478.10 : 275,217.15 = 165,763.40 : x
  2. Step 2: Convert to fraction form
    183,478.10/275,217.15 = 165,763.40/x
  3. Step 3: Cross multiply
    183,478.10x = 275,217.15 × 165,763.40
  4. Step 4: Simplify right side
    183,478.10x = 45,620,930,522.31
  5. Step 5: Solve for x
    x = 45,620,930,522.31/183,478.10
  6. Step 6: Final answer
    x = 248,645.10

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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.