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Finding the Fourth Proportional to 177,239.94, 265,859.91 and 72,034.26

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Solution

The fourth proportional to 177,239.94, 265,859.91 and 72,034.26 is: 108,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,239.94 : 265,859.91 = 72,034.26 : x
  2. Step 2: Convert to fraction form
    177,239.94/265,859.91 = 72,034.26/x
  3. Step 3: Cross multiply
    177,239.94x = 265,859.91 × 72,034.26
  4. Step 4: Simplify right side
    177,239.94x = 19,151,021,880.52
  5. Step 5: Solve for x
    x = 19,151,021,880.52/177,239.94
  6. Step 6: Final answer
    x = 108,051.39

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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.