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Finding the Fourth Proportional to 202,307.20, 303,788.85 and 146,538.70

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Solution

The fourth proportional to 202,307.20, 303,788.85 and 146,538.70 is: 220,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,307.20 : 303,788.85 = 146,538.70 : x
  2. Step 2: Convert to fraction form
    202,307.20/303,788.85 = 146,538.70/x
  3. Step 3: Cross multiply
    202,307.20x = 303,788.85 × 146,538.70
  4. Step 4: Simplify right side
    202,307.20x = 44,516,823,153.50
  5. Step 5: Solve for x
    x = 44,516,823,153.50/202,307.20
  6. Step 6: Final answer
    x = 220,045.67

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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.