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Finding the Fourth Proportional to 174,424.30, 261,655.65 and 63,640.30

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Solution

The fourth proportional to 174,424.30, 261,655.65 and 63,640.30 is: 95,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,424.30 : 261,655.65 = 63,640.30 : x
  2. Step 2: Convert to fraction form
    174,424.30/261,655.65 = 63,640.30/x
  3. Step 3: Cross multiply
    174,424.30x = 261,655.65 × 63,640.30
  4. Step 4: Simplify right side
    174,424.30x = 16,651,844,062.70
  5. Step 5: Solve for x
    x = 16,651,844,062.70/174,424.30
  6. Step 6: Final answer
    x = 95,467.46

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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.