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Finding the Fourth Proportional to 215,624,601.60, 323,478,892.80 and 62,275,660.80

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Solution

The fourth proportional to 215,624,601.60, 323,478,892.80 and 62,275,660.80 is: 93,425,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,624,601.60 : 323,478,892.80 = 62,275,660.80 : x
  2. Step 2: Convert to fraction form
    215,624,601.60/323,478,892.80 = 62,275,660.80/x
  3. Step 3: Cross multiply
    215,624,601.60x = 323,478,892.80 × 62,275,660.80
  4. Step 4: Simplify right side
    215,624,601.60x = 20,144,861,803,972,364
  5. Step 5: Solve for x
    x = 20,144,861,803,972,364/215,624,601.60
  6. Step 6: Final answer
    x = 93,425,618.67

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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.