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Finding the Fourth Proportional to 177,277.76, 265,838.68 and 66,392

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Solution

The fourth proportional to 177,277.76, 265,838.68 and 66,392 is: 99,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,277.76 : 265,838.68 = 66,392 : x
  2. Step 2: Convert to fraction form
    177,277.76/265,838.68 = 66,392/x
  3. Step 3: Cross multiply
    177,277.76x = 265,838.68 × 66,392
  4. Step 4: Simplify right side
    177,277.76x = 17,649,561,642.56
  5. Step 5: Solve for x
    x = 17,649,561,642.56/177,277.76
  6. Step 6: Final answer
    x = 99,558.80

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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.