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Finding the Fourth Proportional to 185,857.80, 279,005.40 and 184,545.60

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Solution

The fourth proportional to 185,857.80, 279,005.40 and 184,545.60 is: 277,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,857.80 : 279,005.40 = 184,545.60 : x
  2. Step 2: Convert to fraction form
    185,857.80/279,005.40 = 184,545.60/x
  3. Step 3: Cross multiply
    185,857.80x = 279,005.40 × 184,545.60
  4. Step 4: Simplify right side
    185,857.80x = 51,489,218,946.24
  5. Step 5: Solve for x
    x = 51,489,218,946.24/185,857.80
  6. Step 6: Final answer
    x = 277,035.56

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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.