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Finding the Fourth Proportional to 176,955.42, 265,358.61 and 71,700.78

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Solution

The fourth proportional to 176,955.42, 265,358.61 and 71,700.78 is: 107,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,955.42 : 265,358.61 = 71,700.78 : x
  2. Step 2: Convert to fraction form
    176,955.42/265,358.61 = 71,700.78/x
  3. Step 3: Cross multiply
    176,955.42x = 265,358.61 × 71,700.78
  4. Step 4: Simplify right side
    176,955.42x = 19,026,419,316.72
  5. Step 5: Solve for x
    x = 19,026,419,316.72/176,955.42
  6. Step 6: Final answer
    x = 107,520.98

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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.