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Finding the Fourth Proportional to 134,525.56, 201,788.34 and 63,431.65

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Solution

The fourth proportional to 134,525.56, 201,788.34 and 63,431.65 is: 95,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,525.56 : 201,788.34 = 63,431.65 : x
  2. Step 2: Convert to fraction form
    134,525.56/201,788.34 = 63,431.65/x
  3. Step 3: Cross multiply
    134,525.56x = 201,788.34 × 63,431.65
  4. Step 4: Simplify right side
    134,525.56x = 12,799,767,356.96
  5. Step 5: Solve for x
    x = 12,799,767,356.96/134,525.56
  6. Step 6: Final answer
    x = 95,147.48

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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.