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Finding the Fourth Proportional to 176,770.60, 265,172.10 and 71,567.80

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Solution

The fourth proportional to 176,770.60, 265,172.10 and 71,567.80 is: 107,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,770.60 : 265,172.10 = 71,567.80 : x
  2. Step 2: Convert to fraction form
    176,770.60/265,172.10 = 71,567.80/x
  3. Step 3: Cross multiply
    176,770.60x = 265,172.10 × 71,567.80
  4. Step 4: Simplify right side
    176,770.60x = 18,977,783,818.38
  5. Step 5: Solve for x
    x = 18,977,783,818.38/176,770.60
  6. Step 6: Final answer
    x = 107,358.26

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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.