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Finding the Fourth Proportional to 174,393, 261,628.38 and 63,585

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Solution

The fourth proportional to 174,393, 261,628.38 and 63,585 is: 95,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,393 : 261,628.38 = 63,585 : x
  2. Step 2: Convert to fraction form
    174,393/261,628.38 = 63,585/x
  3. Step 3: Cross multiply
    174,393x = 261,628.38 × 63,585
  4. Step 4: Simplify right side
    174,393x = 16,635,640,542.30
  5. Step 5: Solve for x
    x = 16,635,640,542.30/174,393
  6. Step 6: Final answer
    x = 95,391.68

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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.