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Finding the Fourth Proportional to 175,649.84, 263,487 and 70,468.72

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Solution

The fourth proportional to 175,649.84, 263,487 and 70,468.72 is: 105,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,649.84 : 263,487 = 70,468.72 : x
  2. Step 2: Convert to fraction form
    175,649.84/263,487 = 70,468.72/x
  3. Step 3: Cross multiply
    175,649.84x = 263,487 × 70,468.72
  4. Step 4: Simplify right side
    175,649.84x = 18,567,591,626.64
  5. Step 5: Solve for x
    x = 18,567,591,626.64/175,649.84
  6. Step 6: Final answer
    x = 105,707.99

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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.