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Finding the Fourth Proportional to 98,602.32, 147,844.26 and 38,559.27

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Solution

The fourth proportional to 98,602.32, 147,844.26 and 38,559.27 is: 57,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,602.32 : 147,844.26 = 38,559.27 : x
  2. Step 2: Convert to fraction form
    98,602.32/147,844.26 = 38,559.27/x
  3. Step 3: Cross multiply
    98,602.32x = 147,844.26 × 38,559.27
  4. Step 4: Simplify right side
    98,602.32x = 5,700,766,739.29
  5. Step 5: Solve for x
    x = 5,700,766,739.29/98,602.32
  6. Step 6: Final answer
    x = 57,815.75

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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.