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Finding the Fourth Proportional to 335,131.65, 502,539.53 and 121,749.08

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Solution

The fourth proportional to 335,131.65, 502,539.53 and 121,749.08 is: 182,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,131.65 : 502,539.53 = 121,749.08 : x
  2. Step 2: Convert to fraction form
    335,131.65/502,539.53 = 121,749.08/x
  3. Step 3: Cross multiply
    335,131.65x = 502,539.53 × 121,749.08
  4. Step 4: Simplify right side
    335,131.65x = 61,183,722,319.69
  5. Step 5: Solve for x
    x = 61,183,722,319.69/335,131.65
  6. Step 6: Final answer
    x = 182,566.23

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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.