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Finding the Fourth Proportional to 245,323.30, 367,984.95 and 133,057.30

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Solution

The fourth proportional to 245,323.30, 367,984.95 and 133,057.30 is: 199,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,323.30 : 367,984.95 = 133,057.30 : x
  2. Step 2: Convert to fraction form
    245,323.30/367,984.95 = 133,057.30/x
  3. Step 3: Cross multiply
    245,323.30x = 367,984.95 × 133,057.30
  4. Step 4: Simplify right side
    245,323.30x = 48,963,083,887.64
  5. Step 5: Solve for x
    x = 48,963,083,887.64/245,323.30
  6. Step 6: Final answer
    x = 199,585.95

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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.