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Finding the Fourth Proportional to 176,783.79, 265,175.69 and 145,553.43

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Solution

The fourth proportional to 176,783.79, 265,175.69 and 145,553.43 is: 218,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,783.79 : 265,175.69 = 145,553.43 : x
  2. Step 2: Convert to fraction form
    176,783.79/265,175.69 = 145,553.43/x
  3. Step 3: Cross multiply
    176,783.79x = 265,175.69 × 145,553.43
  4. Step 4: Simplify right side
    176,783.79x = 38,597,230,504.35
  5. Step 5: Solve for x
    x = 38,597,230,504.35/176,783.79
  6. Step 6: Final answer
    x = 218,330.15

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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.