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Finding the Fourth Proportional to 243,535.64, 365,114.81 and 168,438.62

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Solution

The fourth proportional to 243,535.64, 365,114.81 and 168,438.62 is: 252,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,535.64 : 365,114.81 = 168,438.62 : x
  2. Step 2: Convert to fraction form
    243,535.64/365,114.81 = 168,438.62/x
  3. Step 3: Cross multiply
    243,535.64x = 365,114.81 × 168,438.62
  4. Step 4: Simplify right side
    243,535.64x = 61,499,436,071.85
  5. Step 5: Solve for x
    x = 61,499,436,071.85/243,535.64
  6. Step 6: Final answer
    x = 252,527.46

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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.