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Finding the Fourth Proportional to 359,293.26, 538,942.05 and 93,035.46

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Solution

The fourth proportional to 359,293.26, 538,942.05 and 93,035.46 is: 139,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,293.26 : 538,942.05 = 93,035.46 : x
  2. Step 2: Convert to fraction form
    359,293.26/538,942.05 = 93,035.46/x
  3. Step 3: Cross multiply
    359,293.26x = 538,942.05 × 93,035.46
  4. Step 4: Simplify right side
    359,293.26x = 50,140,721,535.09
  5. Step 5: Solve for x
    x = 50,140,721,535.09/359,293.26
  6. Step 6: Final answer
    x = 139,553.75

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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.