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Finding the Fourth Proportional to 155,558.48, 214,614.56 and 101,874.11

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Solution

The fourth proportional to 155,558.48, 214,614.56 and 101,874.11 is: 140,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,558.48 : 214,614.56 = 101,874.11 : x
  2. Step 2: Convert to fraction form
    155,558.48/214,614.56 = 101,874.11/x
  3. Step 3: Cross multiply
    155,558.48x = 214,614.56 × 101,874.11
  4. Step 4: Simplify right side
    155,558.48x = 21,863,666,474.65
  5. Step 5: Solve for x
    x = 21,863,666,474.65/155,558.48
  6. Step 6: Final answer
    x = 140,549.50

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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.