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Finding the Fourth Proportional to 148,590.27, 205,053.87 and 80,607.27

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Solution

The fourth proportional to 148,590.27, 205,053.87 and 80,607.27 is: 111,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,590.27 : 205,053.87 = 80,607.27 : x
  2. Step 2: Convert to fraction form
    148,590.27/205,053.87 = 80,607.27/x
  3. Step 3: Cross multiply
    148,590.27x = 205,053.87 × 80,607.27
  4. Step 4: Simplify right side
    148,590.27x = 16,528,832,663.63
  5. Step 5: Solve for x
    x = 16,528,832,663.63/148,590.27
  6. Step 6: Final answer
    x = 111,237.65

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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.