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Finding the Fourth Proportional to 335,352.39, 503,028.05 and 86,034.39

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Solution

The fourth proportional to 335,352.39, 503,028.05 and 86,034.39 is: 129,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,352.39 : 503,028.05 = 86,034.39 : x
  2. Step 2: Convert to fraction form
    335,352.39/503,028.05 = 86,034.39/x
  3. Step 3: Cross multiply
    335,352.39x = 503,028.05 × 86,034.39
  4. Step 4: Simplify right side
    335,352.39x = 43,277,711,004.47
  5. Step 5: Solve for x
    x = 43,277,711,004.47/335,352.39
  6. Step 6: Final answer
    x = 129,051.45

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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.