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Finding the Fourth Proportional to 253,744.48, 350,162.02 and 139,017.54

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Solution

The fourth proportional to 253,744.48, 350,162.02 and 139,017.54 is: 191,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,744.48 : 350,162.02 = 139,017.54 : x
  2. Step 2: Convert to fraction form
    253,744.48/350,162.02 = 139,017.54/x
  3. Step 3: Cross multiply
    253,744.48x = 350,162.02 × 139,017.54
  4. Step 4: Simplify right side
    253,744.48x = 48,678,662,621.83
  5. Step 5: Solve for x
    x = 48,678,662,621.83/253,744.48
  6. Step 6: Final answer
    x = 191,841.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.