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Finding the Fourth Proportional to 98,051.64, 147,118.96 and 53,626.54

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Solution

The fourth proportional to 98,051.64, 147,118.96 and 53,626.54 is: 80,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,051.64 : 147,118.96 = 53,626.54 : x
  2. Step 2: Convert to fraction form
    98,051.64/147,118.96 = 53,626.54/x
  3. Step 3: Cross multiply
    98,051.64x = 147,118.96 × 53,626.54
  4. Step 4: Simplify right side
    98,051.64x = 7,889,480,793.20
  5. Step 5: Solve for x
    x = 7,889,480,793.20/98,051.64
  6. Step 6: Final answer
    x = 80,462.51

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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.