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Finding the Fourth Proportional to 176,339.70, 264,574.35 and 71,169.30

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Solution

The fourth proportional to 176,339.70, 264,574.35 and 71,169.30 is: 106,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,339.70 : 264,574.35 = 71,169.30 : x
  2. Step 2: Convert to fraction form
    176,339.70/264,574.35 = 71,169.30/x
  3. Step 3: Cross multiply
    176,339.70x = 264,574.35 × 71,169.30
  4. Step 4: Simplify right side
    176,339.70x = 18,829,571,287.46
  5. Step 5: Solve for x
    x = 18,829,571,287.46/176,339.70
  6. Step 6: Final answer
    x = 106,780.10

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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.