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Finding the Fourth Proportional to 245,329.83, 367,957.78 and 157,199.20

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Solution

The fourth proportional to 245,329.83, 367,957.78 and 157,199.20 is: 235,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,329.83 : 367,957.78 = 157,199.20 : x
  2. Step 2: Convert to fraction form
    245,329.83/367,957.78 = 157,199.20/x
  3. Step 3: Cross multiply
    245,329.83x = 367,957.78 × 157,199.20
  4. Step 4: Simplify right side
    245,329.83x = 57,842,667,336.88
  5. Step 5: Solve for x
    x = 57,842,667,336.88/245,329.83
  6. Step 6: Final answer
    x = 235,775.11

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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.