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Finding the Fourth Proportional to 335,365.20, 502,993.11 and 98,652.51

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Solution

The fourth proportional to 335,365.20, 502,993.11 and 98,652.51 is: 147,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,365.20 : 502,993.11 = 98,652.51 : x
  2. Step 2: Convert to fraction form
    335,365.20/502,993.11 = 98,652.51/x
  3. Step 3: Cross multiply
    335,365.20x = 502,993.11 × 98,652.51
  4. Step 4: Simplify right side
    335,365.20x = 49,621,532,814.21
  5. Step 5: Solve for x
    x = 49,621,532,814.21/335,365.20
  6. Step 6: Final answer
    x = 147,962.68

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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.