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Finding the Fourth Proportional to 176,484.88, 264,760.14 and 71,377.60

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Solution

The fourth proportional to 176,484.88, 264,760.14 and 71,377.60 is: 107,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,484.88 : 264,760.14 = 71,377.60 : x
  2. Step 2: Convert to fraction form
    176,484.88/264,760.14 = 71,377.60/x
  3. Step 3: Cross multiply
    176,484.88x = 264,760.14 × 71,377.60
  4. Step 4: Simplify right side
    176,484.88x = 18,897,943,368.86
  5. Step 5: Solve for x
    x = 18,897,943,368.86/176,484.88
  6. Step 6: Final answer
    x = 107,079.67

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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.