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Finding the Fourth Proportional to 235,455.60, 353,167.20 and 75,529.20

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Solution

The fourth proportional to 235,455.60, 353,167.20 and 75,529.20 is: 113,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,455.60 : 353,167.20 = 75,529.20 : x
  2. Step 2: Convert to fraction form
    235,455.60/353,167.20 = 75,529.20/x
  3. Step 3: Cross multiply
    235,455.60x = 353,167.20 × 75,529.20
  4. Step 4: Simplify right side
    235,455.60x = 26,674,436,082.24
  5. Step 5: Solve for x
    x = 26,674,436,082.24/235,455.60
  6. Step 6: Final answer
    x = 113,288.60

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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.