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Finding the Fourth Proportional to 245,588.65, 367,944.71 and 133,197.18

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Solution

The fourth proportional to 245,588.65, 367,944.71 and 133,197.18 is: 199,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,588.65 : 367,944.71 = 133,197.18 : x
  2. Step 2: Convert to fraction form
    245,588.65/367,944.71 = 133,197.18/x
  3. Step 3: Cross multiply
    245,588.65x = 367,944.71 × 133,197.18
  4. Step 4: Simplify right side
    245,588.65x = 49,009,200,137.83
  5. Step 5: Solve for x
    x = 49,009,200,137.83/245,588.65
  6. Step 6: Final answer
    x = 199,558.08

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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.