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Finding the Fourth Proportional to 176,708.97, 265,062.15 and 71,526.42

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Solution

The fourth proportional to 176,708.97, 265,062.15 and 71,526.42 is: 107,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,708.97 : 265,062.15 = 71,526.42 : x
  2. Step 2: Convert to fraction form
    176,708.97/265,062.15 = 71,526.42/x
  3. Step 3: Cross multiply
    176,708.97x = 265,062.15 × 71,526.42
  4. Step 4: Simplify right side
    176,708.97x = 18,958,946,667.00
  5. Step 5: Solve for x
    x = 18,958,946,667.00/176,708.97
  6. Step 6: Final answer
    x = 107,289.10

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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.