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Finding the Fourth Proportional to 174,343, 261,553.40 and 63,535

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Solution

The fourth proportional to 174,343, 261,553.40 and 63,535 is: 95,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,343 : 261,553.40 = 63,535 : x
  2. Step 2: Convert to fraction form
    174,343/261,553.40 = 63,535/x
  3. Step 3: Cross multiply
    174,343x = 261,553.40 × 63,535
  4. Step 4: Simplify right side
    174,343x = 16,617,795,269
  5. Step 5: Solve for x
    x = 16,617,795,269/174,343
  6. Step 6: Final answer
    x = 95,316.68

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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.