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Finding the Fourth Proportional to 93,399.62, 140,140.53 and 49,015.67

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Solution

The fourth proportional to 93,399.62, 140,140.53 and 49,015.67 is: 73,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,399.62 : 140,140.53 = 49,015.67 : x
  2. Step 2: Convert to fraction form
    93,399.62/140,140.53 = 49,015.67/x
  3. Step 3: Cross multiply
    93,399.62x = 140,140.53 × 49,015.67
  4. Step 4: Simplify right side
    93,399.62x = 6,869,081,271.40
  5. Step 5: Solve for x
    x = 6,869,081,271.40/93,399.62
  6. Step 6: Final answer
    x = 73,545.07

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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.