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Finding the Fourth Proportional to 188,285.01, 282,391.03 and 53,347.92

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Solution

The fourth proportional to 188,285.01, 282,391.03 and 53,347.92 is: 80,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,285.01 : 282,391.03 = 53,347.92 : x
  2. Step 2: Convert to fraction form
    188,285.01/282,391.03 = 53,347.92/x
  3. Step 3: Cross multiply
    188,285.01x = 282,391.03 × 53,347.92
  4. Step 4: Simplify right side
    188,285.01x = 15,064,974,077.16
  5. Step 5: Solve for x
    x = 15,064,974,077.16/188,285.01
  6. Step 6: Final answer
    x = 80,011.54

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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.