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Finding the Fourth Proportional to 206,594.04, 285,158.83 and 133,995.36

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Solution

The fourth proportional to 206,594.04, 285,158.83 and 133,995.36 is: 184,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,594.04 : 285,158.83 = 133,995.36 : x
  2. Step 2: Convert to fraction form
    206,594.04/285,158.83 = 133,995.36/x
  3. Step 3: Cross multiply
    206,594.04x = 285,158.83 × 133,995.36
  4. Step 4: Simplify right side
    206,594.04x = 38,209,961,068.63
  5. Step 5: Solve for x
    x = 38,209,961,068.63/206,594.04
  6. Step 6: Final answer
    x = 184,951.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.