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Finding the Fourth Proportional to 245,332.38, 368,047.96 and 87,556.70

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Solution

The fourth proportional to 245,332.38, 368,047.96 and 87,556.70 is: 131,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,332.38 : 368,047.96 = 87,556.70 : x
  2. Step 2: Convert to fraction form
    245,332.38/368,047.96 = 87,556.70/x
  3. Step 3: Cross multiply
    245,332.38x = 368,047.96 × 87,556.70
  4. Step 4: Simplify right side
    245,332.38x = 32,225,064,819.33
  5. Step 5: Solve for x
    x = 32,225,064,819.33/245,332.38
  6. Step 6: Final answer
    x = 131,352.68

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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.