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Finding the Fourth Proportional to 245,304.80, 367,957.20 and 133,038.80

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Solution

The fourth proportional to 245,304.80, 367,957.20 and 133,038.80 is: 199,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,304.80 : 367,957.20 = 133,038.80 : x
  2. Step 2: Convert to fraction form
    245,304.80/367,957.20 = 133,038.80/x
  3. Step 3: Cross multiply
    245,304.80x = 367,957.20 × 133,038.80
  4. Step 4: Simplify right side
    245,304.80x = 48,952,584,339.36
  5. Step 5: Solve for x
    x = 48,952,584,339.36/245,304.80
  6. Step 6: Final answer
    x = 199,558.20

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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.