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Finding the Fourth Proportional to 205,047.01, 307,543.50 and 60,949.77

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Solution

The fourth proportional to 205,047.01, 307,543.50 and 60,949.77 is: 91,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,047.01 : 307,543.50 = 60,949.77 : x
  2. Step 2: Convert to fraction form
    205,047.01/307,543.50 = 60,949.77/x
  3. Step 3: Cross multiply
    205,047.01x = 307,543.50 × 60,949.77
  4. Step 4: Simplify right side
    205,047.01x = 18,744,705,590.00
  5. Step 5: Solve for x
    x = 18,744,705,590.00/205,047.01
  6. Step 6: Final answer
    x = 91,416.62

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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.