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Finding the Fourth Proportional to 245,660.55, 367,900.32 and 140,159.67

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Solution

The fourth proportional to 245,660.55, 367,900.32 and 140,159.67 is: 209,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,660.55 : 367,900.32 = 140,159.67 : x
  2. Step 2: Convert to fraction form
    245,660.55/367,900.32 = 140,159.67/x
  3. Step 3: Cross multiply
    245,660.55x = 367,900.32 × 140,159.67
  4. Step 4: Simplify right side
    245,660.55x = 51,564,787,444.09
  5. Step 5: Solve for x
    x = 51,564,787,444.09/245,660.55
  6. Step 6: Final answer
    x = 209,902.60

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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.