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Finding the Fourth Proportional to 193,329.60, 289,911.51 and 104,559

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Solution

The fourth proportional to 193,329.60, 289,911.51 and 104,559 is: 156,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,329.60 : 289,911.51 = 104,559 : x
  2. Step 2: Convert to fraction form
    193,329.60/289,911.51 = 104,559/x
  3. Step 3: Cross multiply
    193,329.60x = 289,911.51 × 104,559
  4. Step 4: Simplify right side
    193,329.60x = 30,312,857,574.09
  5. Step 5: Solve for x
    x = 30,312,857,574.09/193,329.60
  6. Step 6: Final answer
    x = 156,793.67

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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.