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Finding the Fourth Proportional to 176,406.30, 263,961.45 and 129,750.30

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Solution

The fourth proportional to 176,406.30, 263,961.45 and 129,750.30 is: 194,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,406.30 : 263,961.45 = 129,750.30 : x
  2. Step 2: Convert to fraction form
    176,406.30/263,961.45 = 129,750.30/x
  3. Step 3: Cross multiply
    176,406.30x = 263,961.45 × 129,750.30
  4. Step 4: Simplify right side
    176,406.30x = 34,249,077,325.94
  5. Step 5: Solve for x
    x = 34,249,077,325.94/176,406.30
  6. Step 6: Final answer
    x = 194,148.83

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1.5x scale

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.